17-04-2017
Mathematics

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What is 0.7 (with a line over the 7) as a fraction in simplest form?

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17-04-2017

Any repeating pattern of numbers is a rational number.

Let x=.7777..., then 10x=7.7777... getting the difference you find:

9x=7

x=7/9 so that is the rational number which produces the repeating pattern of 0.7777....

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