Answer
$27x^5\ in^2$
Work Step by Step
$area=length\times width$
$a=(3x^4)(9x)=(3\times9)(x^{4+1})=27x^5$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Review - Page 727: 24
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