Answer
530
Work Step by Step
$89\ \ \approx\ \ 90$
$97\ \ \approx100$
$100\approx100$
$79\ \ \approx\ \ 80$
$75\ \ \approx\ \ 80$
$82\ \ \approx\ \ \underline{80}$
$\ \ \ \ \ \ \ \ \ \ \ \ 530$
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: 54
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