#### Answer

$b^{n}$

#### Work Step by Step

By using the negative exponent rule, we can write $\frac{1}{b^{-n}}$ as $\frac{1}{\frac{1}{b^{n}}}$
We then simplify the complex fraction to arrive at $b^{n}$.

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Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$b^{n}$

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