While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error
The correct answer is C. 7.44%
%error = \(\frac{1.21 - 1.12}{1.21} \times 100%\)
= \(\frac{9}{121} \times 100%\)
= 7.44%
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