Elementary Algebra

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

Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set: 18

Answer

$9x^2y^4$

Work Step by Step

RECALL: (i) $(a^m)^n = a^{mn}$ (ii) $(ab)^m = a^mb^m$ Use the rules above to obtain: $=(-3)^2x^2(y^2)^2 \\=(-3)(-3)x^{2}y^{2(2)} \\=9x^2y^4$
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