Answer
$\frac{1}{x^2}$
Work Step by Step
$\frac{(x^2)^5}{(x^3)^4}=\frac{x^{2\cdot5}}{x^{3\cdot4}}=\frac{x^{10}}{x^{12}}=\frac{1}{x^{12-10}}=\frac{1}{x^2}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.6 Exponents and Scientific Notation - Exercise Set 5.6 - Page 320: 34
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