Answer
A. 3100
B. 3130
Work Step by Step
A. the 2 in the tens place keeps the 1 in the hundreds place the same for 3100
B. the 5 in the ones place rounds the 2 up to a 3 for 3130
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Section 1.11 - Rounding Numbers - Exercises - Page 67: 3
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