#### Answer

$\frac{1}{9}$

#### Work Step by Step

The exponential $3^{-2}$ can be simplified by changing the negative exponent to positive by taking the reciprocal of the base.
$\frac{1}{3^{2}}$ = $\frac{1}{9}$

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$\frac{1}{9}$

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