If A = 25±2 then the relative error = ΔA/A = 2/25 = 0.08. To find the percentage error just move the decimal point two places. So it has 8% error If B = 20±3 then... The relative error is and the percentage error is %

If A = 25±2 then the relative error = ΔA/A = 2/25 = 0.08. To find the percentage error just move the decimal point two places. So it has 8% error If B = 20±3 then... The relative error is and the percentage error is %

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter6: Vector Spaces

Section6.7: Applications

Problem 13EQ

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Question

If A = 25±2 then the relative error = ΔA/A = 2/25 = 0.08.

To find the percentage error just move the decimal point two places. So it has 8% error

If B = 20±3 then...
The relative error is
and the percentage error is %

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