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Math Help - Fractions as powers

  1. #1
    Senior Member Mukilab's Avatar
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    Fractions as powers

    Method + WIP please

    8^{\frac{1}{3}}
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  2. #2
    MHF Contributor
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    x=8^{\frac{1}{3}}

    x^3=8^{\frac{1}{3}}8^{\frac{1}{3}}8^{\frac{1}{3}}=  8^{\frac{1}{3}+\frac{1}{3}+\frac{1}{3}}

    x^3=8^1=8

    x= the cube root of 8

    1(1)1=1
    2(2)2=4(2)=8
    3(3)3=9(3)=27 etc
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  3. #3
    Super Member bigwave's Avatar
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    Quote Originally Posted by Mukilab View Post
    Method + WIP please

    8^{\frac{1}{3}}
    8^{1/3} means the cube root of 8
    so 2^3 \Rightarrow 2*2*2 = 8
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  4. #4
    Senior Member Mukilab's Avatar
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    Edit: Got it. Thanks
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