Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Mid-Chapter Quiz - Page 446: 23

Answer

$\frac{1}{2}$.

Work Step by Step

The given expression is $=\frac{1}{2}a^{-4}b^2$ Substitute the values $a=-2$ and $b=4$. $=\frac{1}{2}(-2)^{-4}(4)^2$ Simplify. $=\frac{1}{2}(-2)^{-4}(2^2)^2$ $=\frac{1}{2}(-2)^{-4}(2)^4$ $=\frac{1}{2}(-1)^{-4}(2)^{-4}(2)^4$ $=\frac{1}{2}(2)^{-4+4}$ $=\frac{1}{2}(2)^{0}$ $=\frac{1}{2}$.
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