Elementary Technical Mathematics

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

Chapter 4 - Section 4.6 - Multiplication and Division of Measurements - Exercise - Page 188: 1


$$4400\ m^2.$$

Work Step by Step

We have $$(126 \ m)(35 \ m)=4410\ m^2.$$ Now, round this product to two significant digits, which is the accuracy of the least accurate measurement, 35 m. That is, $$(126 \ m)(35 \ m)=4400\ m^2.$$
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