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 - Page 163: 33

Answer

4

Work Step by Step

900,200 ft has two non-zero digits. Two zeroes are between significant digits, so they are significant. The zeroes to the right are not tagged, meaning that they are not significant. Thus, there are 4 significant digits.
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