Answer
$6.3 \times 10^{7}$
Work Step by Step
Multiply the corresponding parts to obtain:
$=(3 \cdot 2.1) \times (10^4 \cdot 10^3)
\\=6.3 \times 10^{4+3}
\\=6.3 \times 10^{7}$
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 1 - Section 1.7 - Scientific Notation - Exercise Set - Page 89: 31
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