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Rational Exponents
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$^2$
$=$
$9$
$\displaystyle \left(\textcolor{red}{9^{\frac{1}{2}}}\right)^2$
$=$
$9$
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Therefore, $\displaystyle \textcolor{red}{9^{\frac{1}{2}}}$
$=$
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$^2$
$=$
$7$
$\displaystyle \left(\textcolor{red}{7^{\frac{1}{2}}}\right)^2$
$=$
$7$
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Therefore, $\displaystyle \textcolor{red}{7^{\frac{1}{2}}}$
$=$
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$^3$
$=$
$8$
$\displaystyle \left(\textcolor{red}{8^{\frac{1}{3}}}\right)^3$
$=$
$8$
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Therefore, $\displaystyle \textcolor{red}{8^{\frac{1}{3}}}$
$=$
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$^3$
$=$
$10$
$\displaystyle \left(\textcolor{red}{10^{\frac{1}{3}}}\right)^3$
$=$
$10$
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Therefore, $\displaystyle \textcolor{red}{10^{\frac{1}{3}}}$
$=$
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In general,
$a^\frac{1}{2}=\boxed{\;\sqrt{a}\;}$
$a^\frac{1}{3}=$
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$a^\frac{1}{4}=$
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$a^\frac{1}{n}=$
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Evaluate. Give your answers as fractions.
$100^{\frac{1}{2}}$
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$1^{\frac{1}{2}}$
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$\left(-27\right)^{\frac{1}{3}}$
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$\left(-216\right)^{\frac{1}{3}}$
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$25^{-\frac{1}{2}}$
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$9^{-\frac{1}{2}}$
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$\left(-64\right)^{-\frac{1}{3}}$
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$\left(-343\right)^{-\frac{1}{3}}$
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Evaluate. Give your answers as fractions.
$\left(-729\right)^{\frac{1}{3}}$
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$\left(-32\right)^{-\frac{1}{5}}$
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$\left(-27\right)^{\frac{1}{3}}$
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$\left(-1000\right)^{-\frac{1}{3}}$
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$4^{\frac{1}{2}}$
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$512^{-\frac{1}{3}}$
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$1^{\frac{1}{2}}$
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$81^{-\frac{1}{2}}$
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$\left(-729\right)^{-\frac{1}{3}}$
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$4^{-\frac{1}{2}}$
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$\left(-216\right)^{\frac{1}{3}}$
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$1000^{\frac{1}{3}}$
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$\left(-27\right)^{-\frac{1}{3}}$
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$\left(-64\right)^{\frac{1}{3}}$
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$81^{\frac{1}{2}}$
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$36^{-\frac{1}{2}}$
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