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: 82



Work Step by Step

Multiply the corresponding parts together to find: $=(4 \cdot 2) \times (10^8 \cdot 10^{-4}) \\=8 \times 10^{8+(-4)} \\=8 \times 10^4\\=80,000$
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