Answer
400
Work Step by Step
$4\times10^2=4\times(10\times10)=4\times100=400$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Review - Page 92: 92
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