Multiply Decimals and Whole Numbers

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18.96

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0.3

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1.34

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0.24

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0.76

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Define multiplication of decimals.

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Multiplication of decimals involves multiplying the numbers as if they were whole numbers and then placing the decimal point in the product based on the total number of decimal places in the factors.

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How do you multiply a whole number by a decimal?

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Multiply as usual, then count the total decimal places in the decimal and place the decimal point in the product accordingly.

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What is the rule for placing the decimal point in the product?

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Count the total number of decimal places in both factors. The product should have the same number of decimal places.

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0.02

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0.2