Answer
$\frac{1}{b^{6}}$
Work Step by Step
According to the negative exponent rule, $a^{-n}=\frac{1}{a^{n}}$.
Therefore, $(-b)^{-6}=\frac{1}{(-b)^{6}}=\frac{1}{(-1)^{6}b^{6}}=\frac{1}{1\times b^{6}}=\frac{1}{b^{6}}$.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 4 - Section 4.1 - Integer Exponents and Scientific Notation - 4.1 Exercises - Page 277: 50
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