Answer
$16r^{17}$
Work Step by Step
$8r^2\times2r^{15}=(8\times2)(r^2\times r^{15})=16(r^{2+15})=16r^{17}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.2 - Multiplication Properties of Exponents - Exercise Set - Page 710: 6
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