Answer
$8.2 \times 10^{7}$
Work Step by Step
Move the decimal point 2 places to the left to get 8.20 or 8.2.
Then, multiply $10^{2}$ (or increase the power of 10 by 2) to retain the original value.
$=8.20 \times 10^{5+2}
\\=8.2 \times 10^{7}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.6 Exponents and Scientific Notation - Exercise Set 5.6 - Page 320: 73
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