#### Answer

c

#### Work Step by Step

Recall the equation: $a^{-n}= \frac{1}{a^{n}}$. Thus, we put $c^{-1}$ in the numerator of the fraction with a positive exponent. Thus, we find that the expression becomes:
$c^{1}=c$

Published by
Prentice Hall

ISBN 10:
0133281140

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

c

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