College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.2: 31

Answer

$x^{21}$

Work Step by Step

When an exponential expression is raised to a power, multiply the exponents: $$(x^{3})^{7}$$ $$=x^{(3\times7)}$$ $$=x^{21}$$
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