Answer
$390,000$
Work Step by Step
$(3\times10^3)(1.3\times10^2)=3\times1.3\times10^3\times10^2=3.9\times10^5$
Since we're multiplying $3.9$ by $10^5$, we move the decimal place five digits to the right, giving us $390,000$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Review Exercises - Page 142: 36
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