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Evaluate frac 05652 - 04375 2 0 04 correct to t... - JAMB Mathematics 2007 Question

Evaluate \(\frac{(05652 - 04375)^2}{0.04}\) correct to three significant figures
A
3.11
B
3.13
C
0.313
D
3.12
correct option: b

(\frac{(0.5652 - 0.4375)^2}{0.04}\

\frac{(0.5625+0.4375)(0.5625-0.4375)}{0.04}\

\frac{1.000\times 0.125}{0.04}\

=3.125\

=3.13)

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