Answer
$4.2 \times 10^{4}$
Work Step by Step
Multiply the corresponding parts to obtain:
$=(1.4 \cdot 3) \times (10^{15} \cdot 10^{-11})
\\=4.2 \times 10^{15+(-11)}
\\=4.2 \times 10^{4}$
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: 34
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