Thinking Mathematically (6th Edition)

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: 86



Work Step by Step

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