Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.1 - Exponents and Scientific Notation - Exercise Set: 89

Answer

$x^{7a+5}$

Work Step by Step

We are given the expression $x^{5}\times x^{7a}$. We can use the product rule to simplify, which holds that $a^{m}\times a^{n}=a^{m+n}$ (where a is a real number, and m and n are positive integers). $x^{5}\times x^{7a}=x^{5+7a}=x^{7a+5}$
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