Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.11 - Rounding Numbers - Exercises - Page 67: 32



Work Step by Step

The first four three digits from the left are significant. Thus, rounding to three significant digits means rounding off the number to the nearest hundred. The hundreds digit $7$ is followed by a $1$, so retain $7$ and replace the rest of the digits to its right with zeros to obtain: $20,700$
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