Answer
The negative-exponent rule states that $b^{-n} = \frac{1}{b^{n}}$ for $b \ne 0.$
Work Step by Step
When dealing with negative exponents:
1. Move the expression to the denominator and make the exponent positive.
2. Put a 1 on top!
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.2 - Exponents and Scientific Notation - Concept and Vocabulary Check - Page 29: 4
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