Mastering Decimal Multiplication

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What is decimal multiplication?

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Decimal multiplication is the process of multiplying numbers that have decimal points. It involves aligning the numbers, ignoring the decimal points during multiplication, 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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To multiply a whole number by a decimal, multiply as if the decimal is not there, then place the decimal point in the product. The decimal point is placed so that the total number of decimal places in the product equals the total number of decimal places in the factors.

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What is the product of two decimals?

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The product of two decimals is found by multiplying the numbers as if they were whole numbers, then placing the decimal point in the product based on the total number of decimal places in both factors.

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

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Count the total number of decimal places in both factors. The decimal point in the product should be placed so that it has the same number of decimal places.

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