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Zero and Negative Integer Exponents

Evaluate. Give your answers as fractions.

$2^{-3}$

$3^{-4}$

$3^{-1}$

$7^{-3}$

$5^0$

$4^0$

$9^{-1}$

$3^0$

$5^{-2}$

$5^{-1}$

$2^0$

$7^{-1}$

$2^{-4}$

$8^0$

$9^{-2}$

$2^{-2}$

$6^0$

$9^0$

$3^{-5}$

$5^{-3}$