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:
$=(-3)^2x^2(y^2)^2
\\=(-3)(-3)x^{2}y^{2(2)}
\\=9x^2y^4$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set - Page 230: 18
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