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: 54



Work Step by Step

Multiply equation with $(5\times10^{11}).$ $x=(-2.9\times10^{-3})(5\times10^{11})$ $x=(-2.9\times5)\times(10^{-3}\times10^{11})$ $x=-14.5\times10^{-3+11}=-14.5\times10^{8}$ Write -14.5 in scientific notation. $-14.5=-1.45\times10^{1}.$ $x=-1.45\times10^{1}\times10^{8}=-1.45\times10^{9}$
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