Answer
640
Work Step by Step
641 rounded to the nearest 10s place is 640. The 1 in the ones place causes the 4 in the tens place to round down to 4.
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 - Practice - Page 33: 2
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