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PeterN12

  • 2 years ago

How do you change a repeating decimal to a fraction for example 1.0101.. please? Help!!

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  1. agent0smith
    • 2 years ago
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    let n = 1.010101... Multiply it by 100: 100n = 101.010101... now subtract n from that 100n - n = 101.010101... - 1.010101... = 100 100n-n is 99n, so 99n = 100 now divide both sides by 99.

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