Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 9 - Roots and Radicals - Chapters 1-9 Cumulative Review Problem Set - Page 432: 31


The answer is below.

Work Step by Step

In order to write a number in scientific notation, we must use the form $ n \times 10^a$, where n is a number between 1 and 10 and a is the number of places the decimal of the original number has to be moved left to get the number n. (If the decimal is moved right, a is negative.) Using this gives: a) $ 8.5 \times 10^4 $ b) $ 9 \times 10^{-4}$ c) $ 1.04 \times 10^{-6} $ d) $5.3 \times 10^7$
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