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Write the digits of the decimal using place value labels. Start with the first non-zero digit. To multiply by 10 move each digit one place to the left. To multiply by 100 move each digit two ...
Example 1: multiplying an integer by a decimal. Work out. 6 × 5.2. Multiply any decimal numbers by an appropriate power of ten to make them whole numbers. Multiply 5.2 by 10 to make it 52. 2 Use column multiplication (or another preferred method) to find the product of the numbers. 6 × 52 = 312.
Oct 9, 2024 · Multiply the numbers as if they were both whole numbers. Take away the decimal point for now, and multiply the two numbers together as if they were normal integers. For example, follow these steps to find the product of 1.21 x 3: Multiply the 1 in 1.2 1 by 3 to get 3. Write 3 below the rightmost column.
To multiply by 10, you move the digits one place value to the left.. Let's look at an example: 4.2 x 10 = 42. Look at the slideshow below to see how the place value of each digit changes when you ...
Example 3: multiplying a decimal number by a decimal number. Find the product of 3.4 × 43.23.4 × 43.2. Stack the number with the most digits on top. Show step. 43.243.2 has more digits than 3.4, 3.4, so it will go on top. Multiply as if the numbers were multi-digit whole numbers, regrouping when necessary. Show step.
Multiplying a decimal by a whole number uses the same method as multiplying two whole numbers. When multiplying by 10, 100 or 1000 you need to move each digit the correct number of places to the left.
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Aug 26, 2024 · Here's how you can do it: Multiplying Decimals by 10. When multiplying a decimal by 10, simply move the decimal point one place to the right. This operation effectively increases the value of the number tenfold. For example: 4.5 × 10 = 45; 0.49 × 10 = 4.9; Multiplying Decimals by 100
