Calculate and correct to two significant figures, the percentage error in approximating 0.375 to 0.4
MATHEMATICS
WAEC 2002
Calculate and correct to two significant figures, the percentage error in approximating 0.375 to 0.4
- A. 2.0
- B. 2.5
- C. 6.6
- D. 6.7
Correct Answer: D. 6.7
Explanation
Measured value = 0.375
Approximation = 0.4
Error = 0.4 - 0.375 = 0.025
Error% = \(\frac{0.025}{0.375}\) x 100% = 6.67% = 6.7%
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