Answer
$8.2\times10^{7}$
Work Step by Step
$(2\times10^{4})$$(4.1\times10^{3})$
=$(2\times10,000)$$(4.1\times1000)$
= $20000\times4100$
=$82000000$
=$8.2\times10^{7}$
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 - Section P.2 - Exponents and Scientific Notation - Exercise Set - Page 30: 88
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