Answer
$\dfrac{128}{x}$
Work Step by Step
Simplify. $(2^3 x^5)(2^4x^{-6})$
Now, $(2^3 x^5)(2^4x^{-6})=2^{3+4}x^{5-6}$
or, $=2^7 x^{-1}$
Hence,
$=\dfrac{128}{x}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.1 - Radical Expressions and Functions - Exercise Set - Page 514: 135
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