#### Answer

$\dfrac{1}{x^{14}}$

#### Work Step by Step

Use the rule $a^m\cdot a^n=a^{m+n}$ to obtain:
$x^{-4}\cdot x^{-10} = x^{-4+(-10)} = x^{-14}$
Use the rule $a^{-m} = \dfrac{1}{a^m}, m \gt 0$ to obtain:
$x^{-14}=\dfrac{1}{x^{14}}$

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$\dfrac{1}{x^{14}}$

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