Answer
incorrect
Work Step by Step
Estimate $229+443$ by rounding to the nearest ten.
$229\approx230$
$443\approx440$
$230+440=670$, so 600 is not correct.
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.4 - Rounding and Estimating - Exercise Set - Page 38: 49
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