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When you multiply or divide a number by 10, the decimal place is moved to the right or the left. Ie. 2.0 x 10 = 20.0 ( The decimal point was moved to the right for multiplication). Ie. 20.0 / 10 = 2.0 ( The decimal point was moved to the left for division).

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Q: Why do you have to move the decimal over?
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Related questions

Do you move decimal points over when multiplying?

Yes. You first multiply, then however many decimal places you were multiplying, you move over.


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You move the decimal point over two places because a percent means per 100 so therefore you move the decimal point over to the hundredth place


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You move the decimal 2 places over.


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.7 you take and move the decimal over 70 because you move the decimal over two times. 70 goes over a hundred and that is equal to 7 over 10 which is equal to .7 or you can write it as 70%. I hope this answer your question!!


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0.364 ( move the decimal over two spaces to the left)


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