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Mahalo math expert Allison Moffett shows you how to write a decimal in expanded form. 

Writing a Decimal in Expanded Form
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Divide by powers of ten starting at one position to the right of the decimal point. In the tenths position, divide the number by 10. In the hundredths position, divide by one and in the thousandths position, divide by 1,000. Note that each position away from the decimal increases the number of zeros in the denominator.

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