Answer
$-12a^{10}$
Work Step by Step
$(6a^3)(-2a^7)\rightarrow$ use the associative property to regroup
=$(6\times -2)(a^3\times a^7)\rightarrow$ simplify using product property for exponents
=$-12a^{10}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Test - Page 729: 9
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