Answer
choice D
Work Step by Step
The given expression, $
4x^3\cdot2x^5
$, is
\begin{array}{l}\require{cancel}
(4\cdot2)x^{3+5}
\\\\=
8x^{8}
.\end{array}
Hence, $\text{
choice D
.}$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 4 - Polynomials - 4.5 Multiplication of Polynomials - 4.5 Exercise Set - Page 268: 7
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