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 - Chapter Summary, Review, and Test - Review Exercises: 115

Answer

390

Work Step by Step

Multiply the corresponding parts to find: $=(3 \cdot 1.3) \times (10^7 \cdot 10^{-5}) \\=3.9 \times 10^{7+(-5)} \\=3.9 \times 10^2$ $\\=390$
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