Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Practice: 19

Answer

a. 0.36 b. 40,000,000

Work Step by Step

a. $(9 \times 10^7)(4 \times 10^{-9})$ $=(36 \times 10^{-2})$ $=0.36$ b. $\frac{8 \times 10^4}{2 \times 10^{-3}}$ $=4\times 10^7$ $=40,000,000$
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