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Rational Exponents Part 2

Evaluate. Give your answers as fractions.

$343^{\frac{2}{3}}$
$64^{\frac{5}{6}}$
$8^{\frac{5}{3}}$
$216^{\frac{2}{3}}$

$\left(-32\right)^{\frac{3}{5}}$
$\left(-216\right)^{\frac{2}{3}}$
$\left(-27\right)^{\frac{5}{3}}$
$\left(-64\right)^{\frac{2}{3}}$

$81^{-\frac{5}{4}}$
$729^{-\frac{2}{3}}$
$64^{-\frac{5}{6}}$
$16^{-\frac{5}{4}}$

$\left(-27\right)^{-\frac{4}{3}}$
$\left(-27\right)^{-\frac{5}{3}}$
$\left(-216\right)^{-\frac{2}{3}}$
$\left(-729\right)^{-\frac{2}{3}}$