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JAMB Mathematics 2023 Paper

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Question : 53

Total: 80

A student is using a graduated cylinder to measure the volume of water and reports a reading of 18 mL. The teacher reports the value as 18.4 mL. What is the student's percent error?

2.17%
1.73%
2.23%
1.96%

Solution:

% error = $\frac{\text{Error}}{\text{Actual Value}}$ x 100%

Student's Value = 18mL

Actual Value = 18.4mL

Error = 18.4 - 18 = 0.4

∴ % error = $\frac{0.4}{18.4}$ x 100% = 2.17%

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