Answer
$6.4 \times 10^4$
Work Step by Step
Move the decimal point 4 places to the left to have $6.4$.
Then, multiply $10^4$ to retain the value:
$6.4 \times 10^4.$
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: 78
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