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Hi, There are two uses of exponents you need to use here. The first is fractional exponents. For example $x^{1/2} = \sqrt{x}$ and $x^{1/3} = \sqrt[3]{x}$ or in general if $p$ is a positive integer then $x^{1/p} = \sqrt[p]{x}.$ The other use of exponents is negative exponents, $x^{-y} = \frac{1}{x^y}.$ Can you complete your problem now? | ||||||||||||
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