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: 7

Answer

$$0.13\ \Omega A.$$

Work Step by Step

We have $$(4.7\ \Omega)(0.0281\ A)=0.13207\ \Omega A.$$ Now, round this product to two significant digits, which is the accuracy of the least accurate measurement $4.7\ \Omega$. That is, $$(4.7\ \Omega)(0.0281\ A)=0.13\ \Omega A.$$
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