Answer
$6.4\times10^{4}$
Work Step by Step
$(1.6\times10^{15})$$(4\times10^{-11})$
=$(1.6\times4.1\times10^{15}\times10^{-11})$
= $6.4\times10000$
=$64000$
=$6.4\times10^{4}$
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: 89
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