Prealgebra (7th Edition)

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

Chapter 1 - Review: 45

Answer

7400

Work Step by Step

$3785\approx3800\ \longrightarrow$ tens position is 5 or greater, round up $648\approx600\ \ \ \ \ \longrightarrow$ tens position is not 5 or greater, round down $2866\approx2900\ \longrightarrow$ tens position is 5 or greater, round up $\ \ \ \overset23800$ $\ \ \ \ \ 700$ $\underline{+2900}$ $\ \ \ 7400$
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