- pn is the biggest sale event of the year, when many products are heavily discounted.
- Since its widespread popularity, differing theories have spread about the origin of the name "Black Friday."
- The name was coined back in the late 1860s when a major stock market crashed.

. This **calculator** uses addition, subtraction, multiplication, or division for positive or negative **decimal** numbers, integers, real numbers, and whole numbers. This online **decimals** **calculator** will help you understand adding, subtracting, multiplying, or **dividing** **decimals**. The **calculator** follows well-known rules for the order of operations. Multiply each digit in the hex value by its corresponding place value, and find the sum of each result. The process is the same regardless of whether the hex value contains letter numerals or not. EX: Convert hex 1024 to **decimal**. (1) (1 × 16 3) + (0 × 16 2) + (2 × 16 1) + (4 × 16 0) (2) 4096 + 0 + 32 + 4 = 4132.. Answer: 20 24 = 0.833 Showing the work You can first reduce this fraction by **dividing** both the numerator and denominator by the Greatest Common Factor of 20 and 24 using GCF (20,24) = 4 20 ÷ 4 24 ÷ 4 = 5 6 We know that 5 6 is the same as 5 ÷ 6 Then using Long Division for 5 divided by 6 and rounding to a Max of 3 **Decimal** Places gives us = 0.833. . On this page, you will find **Decimals** worksheets on a variety topics including comparing and sorting **decimals**, adding, subtracting, multiplying and **dividing** **decimals**, and converting **decimals** to other number formats. To start, you will find the general use printables to be helpful in teaching the concepts of **decimals** and place value. **Dividing decimals calculator**. This one is unique. We don’t want to split **decimals** in some ways. Instead, we discover a quotient that is comparable but utilizes integers. We may. This **calculator** uses addition, subtraction, multiplication, or division for positive or negative decimal numbers, integers, real numbers, and whole numbers. This online **decimals** **calculator** will help you understand adding, subtracting, multiplying, or **dividing** **decimals**.. In India, the **decimal** unit is mainly used in the State of West Bengal. It is mostly used in rural areas, and for the measurement of smaller land parcels generally below an acre. **Decimal** is referred to as 1/100th part of an acre. One **decimal** is equivalent to 435.6 square feet (sq ft); while 100 **decimals** make up one acre. Aug 13, 2022 · Write the problem as an equation and subtract the repeating **decimals**. Again, if x = 6.215151, then 100x = 621.5151. To remove the repeating **decimals**, subtract from both sides of the equation: 100x – x (= 99x) = 621.5151 - 6.215151 (= 615.3) Therefore, 99x = 615.3.

Using the **Decimal Calculator**. To use the **decimal calculator**, put the first number in the Number 1 box. Then, choose which operation – addition, subtraction, multiplication, or **division** – you'd like from the Operation pull-down. Then put the second number in the Number 2 box. Finally, hit the Calculate button and we'll do the arithmetic and .... Step 2: Move the **decimal** place of the divisor to the right until it's a whole number. The **decimal** of the dividend has to move the same number of **decimal** places. (In this case,. **Rounding Calculator**. Click "Settings" to set the rounding method or define your own precision level. Rounding a number involves replacing the number with an approximation of the number that results in a shorter, simpler, or more explicit representation of said number based on specific rounding definitions. For example, if rounding the number 2. .... Well, we already know how to **divide** a **decimal** by a whole number -- and it was pretty easy.... So, let's just turn these problems into the easy kind! How do we do that? It looks like it's just a trick... But, I'll show you why it works! Let's **divide** 6.85 by .5. Set it up: Move the **decimals** to the right on both until you are **dividing** BY a whole .... **Calculation** steps. Add: -1.5 + 2.45 = 0.95. This **calculator** makes basic and advanced operations with **decimals**, real numbers, and integers. It also shows detailed step-by-step information. Step 1: First, write the **division** in the standard form. Start by **dividing** the whole number part by the divisor. Step 2: Place the **decimal** point in the quotient above the **decimal** point of the dividend. Bring down the tenth digit. Step 3: **Divide** and bring down the other digit in sequence..

Therefore, = 0.71 (round to 2 **decimal** places) In this example, the **division** results in a non-zero remainder.Since we are required to round off to 2 **decimal** places, we perform the **calculation** until 3 **decimal** places and then round off to 2 **decimal** places.More examples of converting fractions to **decimals**.Show Video Lesson. Example Round this number to 3 **decimal** places. To show you how to do long division I will give the actual **calculator** results involving four common long division scenarios: **Dividing** whole numbers with no remainder. **Dividing** whole numbers with whole remainder. **Dividing** decimal numbers with no remainder. **Dividing** decimal numbers with decimal remainder.. It looks like it's just a trick... But, I'll show you why it works! Let's divide 6.85 by .5 Set it up: Move the **decimals** to the right on both until you are **dividing** BY a whole number: Now, go for it! >> Remember, you can check this by multiplying 13.7 x .5 continue 1 2. Measurement conversion charts and converters for metric, imperial and United States Customary systems.Includes from everyday use to scientific **calculators**, thousands of units, definitions, abbreviations and formulas.Choose from wide variety of unit conversion tools and conversion charts for fast lookup.Convert Area Units.Convert Units. Please select the area units from the. 1. Figure out the **decimal** behind this **fraction** 5/11! 2. Convert this **decimal** number 3.4501 to a **fraction**! 3. Solve the long **division** between Dividend 125 and Divisor 55! Answer: 25 divided by 55 is equal to 2 with remainder 15. So, 125 / 55 = 2 with remainder 15 can be explained as 125 / 55 = 2.273 calculating 3 **decimal** places.. Calculation steps. **Divide**: 5.2 / 0.5 = 10.4. This **calculator** makes basic and advanced operations with **decimals**, real numbers, and integers. It also shows detailed step-by-step information about calculation procedures. Solve problems with two, three, or more **decimals** in one expression. Add, subtract and multiply **decimals** step-by-step.. More **dividing decimals**, step by step, examples. For more free math videos visit http://MathMeeting.com. Click here for Answers. Practice Questions. Previous Adding/Subtracting **Decimals** Practice Questions. Next Ordering **Decimals** Practice Questions.

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On this page, you will find **Decimals** worksheets on a variety topics including comparing and sorting **decimals**, adding, subtracting, multiplying and **dividing** **decimals**, and converting **decimals** to other number formats. To start, you will find the general use printables to be helpful in teaching the concepts of **decimals** and place value. **Multiply and Divide Decimals by** 10, 100, and 1000 (powers of ten) This is a complete lesson with a video & exercises showing, first of all, the common shortcut for multiplying & **dividing** **decimals** by powers of ten: you move the decimal point as many steps as there are zeros in the number 10, 100, 1000 etc.. How to Use **Decimal Divided by Whole Number Calculator**? The following steps are to be followed to use the **calculator**. Step 1: Enter the **decimal** value and the whole number value in the given input boxes. Step 2: Click on " **Divide**" to **divide** the **decimal** number with a whole number. Step 3: Click on "Reset" to enter the new set of values.. Click the **fraction** format button, enter a **decimal**, click equals and then click on a **fraction** form and then click equals. If the **fraction** of **decimal** is part of a calculation, omit clicking equals and continue with the calculation. b / c a+b / c Proper **fraction** button and Improper **fraction** button work as pair. When you choose the one the other is .... How to Use the **Dividing Decimals Calculator**? The procedure to use the **dividing decimals calculator** is as follows: Step 1: Enter the two **decimal** numbers in the input field. Step 2: Now. Fraction **Calculator**. Step 1: Enter the fraction you want to simplify. The Fraction **Calculator** will reduce a fraction to its simplest form. You can also add, subtract, multiply, and **divide** fractions, as well as, convert to a **decimal** and work with mixed numbers and. Jan 20, 2022 · Therefore, the three steps to performing long **division** with **decimals** are: 1) eliminate the **decimal** from the divisor, if any; 2) perform long **division** as usual; and 3) use the same **decimal** place .... **Decimals** **Calculator**. Get detailed solutions to your math problems with our **Decimals** step-by-step **calculator**. Practice your math skills and learn step by step with our math solver. Check out all of our online **calculators** here! Enter a problem. Answer: 20 24 = 0.833 Showing the work You can first reduce this fraction by **dividing** both the numerator and denominator by the Greatest Common Factor of 20 and 24 using GCF (20,24) = 4 20 ÷ 4 24 ÷ 4 = 5 6 We know that 5 6 is the same as 5 ÷ 6 Then using Long Division for 5 divided by 6 and rounding to a Max of 3 **Decimal** Places gives us = 0.833. A **Dividing Decimals Calculator** is a free online tool which calculates and displays the result when a **decimal** number is divided by another **decimal** number. This **calculator** helps you to **divide**. Calculation steps Divide: 5.2 / 0.5 = 10.4 This **calculator** makes basic and advanced operations with **decimals**, real numbers, and integers. It also shows detailed step-by-step information about calculation procedures. Solve problems with two, three, or more **decimals** in one expression. Add, subtract and multiply **decimals** step-by-step. Add, subtract, multiply and **divide decimal** numbers with this **calculator**. You can use: Positive or negative **decimals**. For negative numbers insert a leading negative or minus sign before your. The "Calculate" button will generate your answer Step by Step Instructions In order to generate the rounded quotient you need, it only takes three simple steps. 1. First, you need to enter the dividend into the first field. The dividend is the number you want divided; it is generally the larger number if you are expecting a positive quotient. 2. Step 1: First, write the **division** in the standard form. Start by **dividing** the whole number part by the divisor. Step 2: Place the **decimal** point in the quotient above the **decimal** point of the dividend. Bring down the tenth digit. Step 3: **Divide** and bring down the other digit in sequence.. **Dividing Decimals Calculator** is quite user friendly and all you need to do is just provide the inputs and tap on the enter button to avail the result. Make your calculations quite easy with the help of this online tool..

The **Division** of Fractions **Calculator** accepts proper, improper fractions. The procedure to use **dividing** fractions **calculator** online is shown below. Step 1: Enter the first fraction and second. 80.1 becomes 801. 801 is a whole number, so we'll drop the **decimal** point. Now the **division** expression is 801 / 42. Moving **decimals** can be tricky, so it's important to change the number you're **dividing** by into a whole number first. Let's try it one more time with a different expression: 0.4 / 0.02.. Select either Multiply or **Divide**. Step #3. Enter the second number, which can be a **decimal**, integer, or whole number. If **division** is chosen in step #2, the first number will be divided by the second number. Step #4. Click the. **Calculate** the cubic meters of a space given the length, width, and height measurements in millimeters, centimeters, meters, and even inches and feet.How. cubic feet to cubic inches Conversion Table:: cu ft to cu in 1.0 = 1728 2.0 = 3456 3.0 = 5184 4.0 = 6912 5.0 = 8640: cubic feet to cubic inches 6.0 = 10368 7.0 = 12096. There are 0.0005787 cubic feet in a cubic inch. . 1. Figure out the **decimal** behind this fraction 5/11! 2. Convert this **decimal** number 3.4501 to a fraction! 3. Solve the long **division** between Dividend 125 and Divisor 55! Answer: 25 divided by. Jun 16, 2022 · **Divide** the number of watts by the voltage to **calculate** the amperage for a single-phase circuit. Since this is a 240-volt device, you would **divide** the watts by 240 volts. For example, a 1,800-watt device would use 7.5 amps. **Divide** this figure by 1.732 to **calculate** the amps for a three-phase circuit. This **calculator** will arrange a list of **decimal** numbers in both ascending and descending order. Plus, the calculated results include a step-by-step tutorial showing how to order **decimals** from. How far do you want to calculate the **decimal** places for the answer? Here are some examples: 31 divided by 16 = 1.937500 calculating to 6 **decimal** places 31 divided by 16 = 1.937 calculating to 3 **decimal** places 22 divided by 15 = 1.466666666 calculating 9 **decimal** places 22 divided by 15 = 1.466666 calculating 6 **decimal** places. **Decimals** Worksheet -- **Decimal** Divided by 10, 100, or 1000 (horizontal; 45 per page) Author: Math-Drills.com -- Free Math Worksheets Subject: **Decimals** Keywords: **decimals**, mathematics, math, **division** Created Date: 11/16/2005 8:04:36 PM. To **calculate** this, first, **divide** 599 by 9 to get the largest multiple of 9 before 599. 5/9 < 1, so carry the 5 to the tens, 59/9 = 6 r 5, so carry the 5 to the digits. 59/9 = 6 r 5 again, so the. **Dividing Decimals Calculator** is a free online tool that displays the result when two **decimals** are divided. BYJU’S online **dividing decimals calculator** tool makes the calculation faster, and it displays the division of two decimal numbers in a fraction of seconds.. To make it a whole number, we will multiply both the dividend and the divisor by 10. After **dividing**, we will round the quotient to the nearest cent (hundredth). Multiply the divisor by a power of 10 to make it a whole number. Multiply the dividend by the same power of 10. Place the **decimal** point in the quotient.. . This **calculator** will divide one number (dividend) by another number (divisor) using the long division method, and show and explain each step. The **calculator** will accommodate divisors and dividends containing **decimal** points and will give the remainder in both the whole number and the **decimal** format. The step wise procedure for **dividing** a **decimal** number by a whole number is given below for 1926 ÷ 4: Step 1: Write the given **division** expression in the standard form. Step 2: Now, we.

**Multiply and Divide Decimals by** 10, 100, and 1000 (powers of ten) This is a complete lesson with a video & exercises showing, first of all, the common shortcut for multiplying & **dividing** **decimals** by powers of ten: you move the decimal point as many steps as there are zeros in the number 10, 100, 1000 etc.. Using the **Decimal Calculator**. To use the **decimal calculator**, put the first number in the Number 1 box. Then, choose which operation – addition, subtraction, multiplication, or **division** – you'd. Polynomial **Division Calculator**. Step 1: Enter the expression you want to **divide** into the editor. The polynomial **division calculator** allows you to take a simple or complex expression and find. Firstly, **divide** the tax rate by 100: 7.5/100 = 0.075 (tax rate as a **decimal**). Note: to easily **divide** by 100, just move the **decimal** point two spaces to the left. Now, find the tax value by multiplying tax rate by the before tax price: tax = 100 × 0.075. tax = 7.5 (tax value rouded to 2 **decimals**). Rounding **Calculator**. Click "Settings" to set the rounding method or define your own precision level. Rounding a number involves replacing the number with an approximation of the number that results in a shorter, simpler, or more explicit representation of said number based on specific rounding definitions. For example, if rounding the number 2.. Answer: 456 ÷ 10 3 = 0.456. Explanation: The dividend is being divided by an increasing power of 10, so the **decimal** point will move to the left one place for each increasing power of 10. 456 ÷ 10 0 = 456. 456 ÷ 10 1 = 45.6. 456 ÷ 10 2 = 4.56. **Dividing** **Decimals** **Dividing** with **decimals** is a bit difficult. These days, most teachers don't mind much if you use a **calculator**. But it's good to know how to do it yourself, too, and you always need to be good at estimating the answer, so you can make sure the **calculator's** answer is reasonable. **Dividing** **Decimals** Word Problems. These division word problems require children to divide the **decimals** with the whole numbers. Ask the 6th graders to perform the division to find the quotient by applying long division method. Avoid **calculator**.. **Dividing** with **decimals** works exactly like regular long division... with just one difference. Let's divide 2.35 by 5: Set it up the usual way... Now, just go on as usual and work around the **decimal** points. Just pretend they aren't even there! Sometimes, you'll see this as 0.47. continue 1 2. We also have some multiplying and **dividing fractions** worksheets. Often when you have taught both of these concepts, it is important to muddle them up and practice them both to develop confidence. The sheets below are practice sheets for students who are already fairly confident multiplying and **dividing fractions**. Sheets 1 & 2 have 24 questions.. Select either Multiply or **Divide**. Step #3. Enter the second number, which can be a **decimal**, integer, or whole number. If **division** is chosen in step #2, the first number will be divided by the second number. Step #4. Click the. **Divide** normally while ignoring the **decimal** until you get zero as the remainder. For example, we have to **divide**: 0.06 ÷ 0.3. We will ignore the **decimals** and **divide** them as 6 ÷ 3 = 3. Now we will place the **decimal** point by the following formula: Dividend’s **decimal** place – Divisor’s **decimal** place= Quotient’s **decimal** place. Therefore, the three steps to performing long division with **decimals** are: 1) eliminate the **decimal** from the divisor, if any; 2) perform long division as usual; and 3) use the same **decimal** place. This online **decimals calculator** will help you understand adding, subtracting, multiplying, or **dividing decimals**. The **calculator** follows well-known rules for the order of operations. Aug 22, 2020 · Conclusion. The most common approaches to rounding a value to two **decimal** places are: To use the round method. To use string formatting. **Divide** both numbers. = 78/2 = 36. As you can see, there is no remainder in the **division**, which means 78 is divisible by 2. Is 35 divisible by 3? **Divide** 35 by 3. = 35/3 . As you can see, there is. **Dividing** Fractions **Calculator** - **Divide** fractions, mixed numbers, and whole numbers with this free online **calculator**. The site also provides a step-by-step explanation of the answer. Compare Fractions **Calculator** - Use this free **calculator** to determine which **fraction** is larger in a pair of fractions with different denominators.. More **dividing decimals**, step by step, examples. For more free math videos visit http://MathMeeting.com.. **Dividing Decimals** Advanced #2. More advanced-level long **division** problems with **decimals**. Practice adding and subtracting **decimal** numbers with these printable worksheets. Practice solving multiplication problems with **decimals** as factors. Learn to read, write, and interpret basic **decimal** numbers with these printable worksheets.. **Dividing** **Decimals** **Calculator** **Dividing** **Decimals** **Calculator** is quite user friendly and all you need to do is just provide the inputs and tap on the enter button to avail the result. Make your calculations quite easy with the help of this online tool. Ex: 67831.6 3.2. Remember: A **decimal** number, say, 3 can be written as 3.0, 3.00 and so on. Bring down next digit 0. Divide 10 by 2. Write the remainder after subtracting the bottom number from the top number. End of long division (Remainder is 0 and next digit after **decimal** is 0). 205 ÷ 2 = 102.5.

Jan 20, 2022 · Therefore, the three steps to performing long **division** with **decimals** are: 1) eliminate the **decimal** from the divisor, if any; 2) perform long **division** as usual; and 3) use the same **decimal** place .... What is a **Dividing** **Decimals** **Calculator**? A **Dividing** **Decimals** **Calculator** is a free online tool which calculates and displays the result when a **decimal** number is divided by another **decimal** number. This **calculator** helps you to divide two **decimal** numbers within a few seconds. Note: Enter numbers up to 1000 How to Use the **Dividing** **Decimals** **Calculator**?. Solved example of division of **decimals** 0.975\div 1.25 0.975÷ 1.25 2 Divide \frac {39} {40} 4039 by \frac {5} {4} 45 \frac {39} {50} 5039 Final Answer \frac {39} {50} 5039 Struggling with math? Access detailed step by step solutions to thousands of problems, growing every day! Join now Related **Calculators** Addition of **decimals** **Calculator**. **Dividing** Fractions **Calculator** - Divide fractions, mixed numbers, and whole numbers with this free online **calculator**. The site also provides a step-by-step explanation of the answer. Compare Fractions **Calculator** - Use this free **calculator** to determine which fraction is larger in a pair of fractions with different denominators. automatic calculation of roots of a quadratic equation. algerbra calcaultor. factorization of quadratic equations. free aptitude test download. maths work sheet for six graders. math trivia questioning and answer. finding the vertex in standard form. math trivia about rational algebraic expression. +pre algebra answers.. Decomposing **decimal calculator** that shows work to represent the **decimal** point numbers by its place value notations or expanded form. The step-by-step **calculation** help parents to assist their kids studying 3rd, 4th or 5th grade to verify the steps and answers of **decimals** decomposing homework and assignment problems in pre-algebra or in number and operations in base ten. **Rounding Calculator**. Click "Settings" to set the rounding method or define your own precision level. Rounding a number involves replacing the number with an approximation of the number that results in a shorter, simpler, or more explicit representation of said number based on specific rounding definitions. For example, if rounding the number 2. .... **Decimals Calculator**. Get detailed solutions to your math problems with our **Decimals** step-by-step **calculator**. Practice your math skills and learn step by step with our math solver. Check out all of our online **calculators** here! Enter a problem..

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Calculation steps. **Divide**: 5.2 / 0.5 = 10.4. This **calculator** makes basic and advanced operations with **decimals**, real numbers, and integers. It also shows detailed step-by-step information about calculation procedures. Solve problems with two, three, or more **decimals** in one expression. Add, subtract and multiply **decimals** step-by-step.. . This online **decimals calculator** will help you understand adding, subtracting, multiplying, or **dividing decimals**. The **calculator** follows well-known rules for the order of operations. Aug 22, 2020 · Conclusion. The most common approaches to rounding a value to two **decimal** places are: To use the round method. To use string formatting. To use the **decimal** **calculator**, put the first number in the Number 1 box. Then, choose which operation - addition, subtraction, multiplication, or division - you'd like from the Operation pull-down. Then put the second number in the Number 2 box. Finally, hit the Calculate button and we'll do the arithmetic and give you a result. To make it a whole number, we will multiply both the dividend and the divisor by 10. After **dividing**, we will round the quotient to the nearest cent (hundredth). Multiply the divisor by a power of 10 to make it a whole number. Multiply the dividend by the same power of 10. Place the **decimal** point in the quotient.. . This Rounding and **Decimals** Worksheet (with complete Key) gives students practice to become fluent using their **calculator**. The worksheet concisely reviews the steps contained in the Exponents and Roots Tutorial. The worksheet should be used in conjunction with the Rounding and **Decimals** Tutorial. The aim of both the Tutorial and the Worksheet is.

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**Rounding Calculator**. Click "Settings" to set the rounding method or define your own precision level. Rounding a number involves replacing the number with an approximation of the number that results in a shorter, simpler, or more explicit representation of said number based on specific rounding definitions. For example, if rounding the number 2. .... 80.1 becomes 801. 801 is a whole number, so we'll drop the **decimal** point. Now the **division** expression is 801 / 42. Moving **decimals** can be tricky, so it's important to change the number you're **dividing** by into a whole number first. Let's try it one more time with a different expression: 0.4 / 0.02.. Calculation steps Divide: 5.2 / 0.5 = 10.4 This **calculator** makes basic and advanced operations with **decimals**, real numbers, and integers. It also shows detailed step-by-step information about calculation procedures. Solve problems with two, three, or more **decimals** in one expression. Add, subtract and multiply **decimals** step-by-step. This **calculator** uses addition, subtraction, multiplication, or division for positive or negative **decimal** numbers, integers, real numbers, and whole numbers. This online **decimals** **calculator** will help you understand adding, subtracting, multiplying, or **dividing** **decimals**. The **calculator** follows well-known rules for the order of operations. **Decimals** **Calculator**. Get detailed solutions to your math problems with our **Decimals** step-by-step **calculator**. Practice your math skills and learn step by step with our math solver. Check out all of our online **calculators** here! Enter a problem. Well, we already know how to **divide** a **decimal** by a whole number -- and it was pretty easy.... So, let's just turn these problems into the easy kind! How do we do that? It looks like it's just a trick... But, I'll show you why it works! Let's **divide** 6.85 by .5. Set it up: Move the **decimals** to the right on both until you are **dividing** BY a whole. **Dividing Decimals** Advanced #2. More advanced-level long **division** problems with **decimals**. Practice adding and subtracting **decimal** numbers with these printable worksheets. Practice solving multiplication problems with **decimals** as factors. Learn to read, write, and interpret basic **decimal** numbers with these printable worksheets.. What is a **Dividing** **Decimals** **Calculator**? A **Dividing** **Decimals** **Calculator** is a free online tool which calculates and displays the result when a **decimal** number is divided by another **decimal** number. This **calculator** helps you to divide two **decimal** numbers within a few seconds. Note: Enter numbers up to 1000 How to Use the **Dividing** **Decimals** **Calculator**?. To make it a whole number, we will multiply both the dividend and the divisor by 10. After **dividing**, we will round the quotient to the nearest cent (hundredth). Multiply the divisor by a power of 10 to make it a whole number. Multiply the dividend by the same power of 10. Place the **decimal** point in the quotient.. . Answer: 456 ÷ 10 3 = 0.456. Explanation: The dividend is being divided by an increasing power of 10, so the **decimal** point will move to the left one place for each increasing power of 10. 456 ÷ 10 0 = 456. 456 ÷ 10 1 = 45.6. 456 ÷ 10 2 = 4.56. Therefore, = 0.71 (round to 2 **decimal** places) In this example, the **division** results in a non-zero remainder.Since we are required to round off to 2 **decimal** places, we perform the **calculation** until 3 **decimal** places and then round off to 2 **decimal** places.More examples of converting fractions to **decimals**.Show Video Lesson. Example Round this number to 3 **decimal** places. Jun 16, 2022 · **Divide** the number of watts by the voltage to **calculate** the amperage for a single-phase circuit. Since this is a 240-volt device, you would **divide** the watts by 240 volts. For example, a 1,800-watt device would use 7.5 amps. **Divide** this figure by 1.732 to **calculate** the amps for a three-phase circuit. Add, subtract, multiply and divide **decimal** numbers with this **calculator**. You can use: Positive or negative **decimals**. For negative numbers insert a leading negative or minus sign before your number, like this: -45 or -356.5. Integers, **decimals** or scientific notation. For scientific notation use "e" notation like this: -3.5e8 or 4.7E-9.