Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 1 - Review - Page 91: 48



Work Step by Step

$820,918,446\approx821,000,000\ \longrightarrow$hundred-thousands position is $\geq$5, round up $593,688,638\approx594,000,000\ \longrightarrow$hundred-thousands position is $\geq$5, round up $\ \ \ \overset7/\!\!8\overset{11}/\!\!\!2\overset{11}1,000,000$ $\underline{-5\,9\,4,000,000}$ $\ \ \ 2\,2\,7,000,000$
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