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10-09-2016
Mathematics

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simplify 81 to the negative 3 fourths power.

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13-09-2016

[tex]81^{-\frac{3}{4}}=\frac{1}{81^\frac{3}{4}}=\frac{1}{(\sqrt[4]{81})^3}=\frac{1}{3^3}=\frac{1}{27}[/tex]

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