# Chapter 4 - Section 4.2 - Precision and Greatest Possible Error - Exercise - Page 166: 15

precision 1000 L GPE 500 L

#### Work Step by Step

The position of the last significant digit (the tagged 0) is the thousands place, so the precision is 1000. The greatest possible error is half the precision. $GPE=0.5\times1000=500$

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