Answer
$2.1\cdot 10^{-5}$
Work Step by Step
$(7\cdot10^{-8})(3\cdot10^2)=(7\cdot3)\cdot(10^{-8}10^2)=21\cdot10^{-6}=2.1\cdot 10^{-5}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Cumulative Review Exercises - Page 176: 13
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