Answer
about 13700
Work Step by Step
Inspect the 10's position of each number, Round up if 5 or greater. Round down if less than 5.
$6289\approx6300$
$5403\approx5400$
$1957\approx2000$
$6300+5400+2000=13700$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Test - Page 95: 18
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