To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.
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Perform the multiplication as you would for whole numbers.
When you're done, count the number of digits to the right of the decimal point in each factor and add the result.
Place the decimal point in your answer so that your answer has the same number of digits after the decimal point.
