Answer
$\dfrac{1}{b^n}$
Work Step by Step
In order to simplify, we use the negative exponent rule.
The negative-exponent rule states that:
$b^{-n} = \dfrac{1}{b^n}, b \ne 0$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.6 - Properties of Integral Exponents - Concept and Vocabulary Check - Page 79: 4
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