Elementary Technical Mathematics

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

Chapter 4 - Section 4.1 - Approximate Numbers and Accuracy - Exercise: 21

Answer

4

Work Step by Step

$72,0\overline00$ mi has two non-zero digits. One zero is tagged, so it is significant. One zero is between significant digits, so it is significant. The zero to the right is not tagged, meaning that it is not significant. Thus, there are 4 significant digits.
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