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    What is 27-2/3 as a fraction?
    (-2/3) is small.
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    x^{\frac{-n}{m}} = \frac{1}{(\sqrt[m]{x})^n}

    So, 27^{\frac{-2}{3}} = \frac{1}{(\sqrt[3]{27})^2} = \frac{1}{9}

    Hope this helps
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    (Original post by Barryl)
    x^{\frac{-n}{m}} = \frac{1}{(\sqrt[m]{x})^n}

    So, 27^{\frac{-2}{3}} = \frac{1}{(\sqrt[3]{27})^2} = \frac{1}{9}

    Hope this helps
    Hey how do you make big mathematical equations in these posts?
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    (Original post by Barryl)
    x^{\frac{-n}{m}} = \frac{1}{(\sqrt[m]{x})^n}

    So, 27^{\frac{-2}{3}} = \frac{1}{(\sqrt[3]{27})^2} = \frac{1}{9}

    Hope this helps
    thanks bro
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    (Original post by TeenPolyglot)
    Hey how do you make big mathematical equations in these posts?
    LaTex. Here's a guide - http://www.thestudentroom.co.uk/wiki/LaTex
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    (Original post by Divinchi)
    thanks bro
    Hey, no problem!
 
 
 
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