Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Practice - Page 349: 16



Work Step by Step

1. When dividing exponents with the same base (which is x in this scenario) you subtract the exponents so negative four minus negative 1 equals a negative 3 so you get $x^{-3}$. 2. Since you cannot have a negative exponent you take the reciprocal to make the exponent positive therefore giving you a final answer of $\frac{1}{x^3}$
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