Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.2 - Multiplying Monomials - Problem Set 5.2 - Page 200: 39

Answer

$81x^8y^{10}$

Work Step by Step

Using $(cx^a)^b=c^bx^{ab}$, the given expression, $ (9x^4y^5)^2 ,$ simplifies to \begin{array}{l}\require{cancel} (9)^2 x^{4(2)}y^{5(2)} \\\\= 81x^8y^{10} .\end{array}
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