Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.7 - Scientific Notation - Exercise Set - Page 90: 56

Answer

$x=1.37\times10^{-15}$

Work Step by Step

$x=8.4\times10^{-16}+5.3\times10^{-16}$ $x=(8.4+5.3)\times10^{-16}$ $x=13.7\times10^{-16}$ Write 13.7 in scientific notation. $13.7=1.37\times10^{1}$ $x=1.37\times10^{1}\times10^{-16}=1.37\times10^{-15}$
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