ilikemathsdsadssa ilikemathsdsadssa

13-09-2022
Mathematics

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Why do you multiply by a power of 10 when writing a repeating decimal as a rational number?

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amirvandiver854 amirvandiver854

13-09-2022

Answer: So that when we subtract the original number from the multiple, the repeating part cancels out. If we multiply by 10, we get 10x = 2.

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