Elementary Technical Mathematics

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

Chapter 4 - Section 4.5 - Addition and Subtraction of Measurements - Exercise - Page 185: 12

Answer

a. 400 ft b. 400 ft

Work Step by Step

a. Since the measurement 400 ft has one significant digit (the least), then it is the least accurate. b. Since the precision of the measurement 400 ft is 100, then it is the least precise measurement. The others values have precisions of 1 and 10.
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