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: 3

Answer

$$1,230,000\ cm^2.$$

Work Step by Step

We have $$(1463\ cm)(838\ cm)=1,225,994\ cm^2.$$ Now, round this product to three significant digits, which is the accuracy of the least accurate measurement, $838 cm$. That is, $$(1463\ cm)(838\ cm)=1,230,000\ cm^2.$$
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