Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-4 More Multiplication Properties of Exponents - Practice and Problem-Solving Exercises - Page 436: 14


$\dfrac{1}{ w^7}$

Work Step by Step

(i) $(a^m)^n=a^{mn}$ (ii) $a^{-m} = \dfrac{1}{a^m}, a \ne 0$ Use the rules above to obtain: $=w^{7 \cdot (-1)} \\=w^{-7} \\=\frac{1}{ w^7}$
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