6(b) Percentage Error of Guitar Length

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10/23/2025

Problem

The length of a guitar is measured to be 115 cm, correct to the nearest 1 cm. Find the percentage error of the measurement. Give your answer correct to 3 significant figures.

Solution

Hints:

0.435 %

Percentage error = relative error \\times 100 = 0.0043478... \\times 100 = 0.43478..., which rounds to 0.435\\% (to 3 significant figures).

Tags

percentage error

measurement