Answer
200,000
Work Step by Step
Divide the corresponding parts to find:
$=(20 \div 10) \times (10^{20} \div 10^{15})
\\=2 \times 10^{20-15}
\\=2 \times 10^{5}\\=200,000$
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: 86
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