## Elementary Algebra

Published by Cengage Learning

# Chapter 5 - Exponents and Polynomials - 5.2 - Multiplying Monomials - Problem Set 5.2: 30

8.4$a^{4}$$b^{5} #### Work Step by Step (-6a^{2}b)(-1.4a^{2}$$b^{4}$) = Use the exponent rule to simplify: $b^{n}$ $b^{m}$ = $b^{m+n}$ (-6) $\times$ (-1.4) $\times$ $a^{2+2}$ $\times$ $b^{1+4}$ = 8.4 $\times$ $a^{4}$ $\times$ $b^{5}$ = 8.4$a^{4}$$b^{5}$

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