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: 29

Answer

-6.4$a^{4}$$b^{2}$

Work Step by Step

(-4ab)(1.6$a^{3}$b) = Use the exponent rule to simplify: $b^{n}$ $b^{m}$ = $b^{m+n}$ (-4) $\times$ 1.6 $\times$ $a^{1+3}$ $\times$ $b^{1+1}$ = -6.4 $\times$ $a^{4}$ $\times$ $b^{2}$ = -6.4$a^{4}$$b^{2}$
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