2007
Mathematics
JAMB
Evaluate ((05652)2 - (04375)2)/0.04 correct to three significant figures
A.
3.11
B.
3.13
C.
0.313
D.
3.12
Correct Answer: 3.13
Explanation
((0.56522-(0.4375)2)/0.04 ((0.5625+0.4375)(0.5625-0.4375))/0.04 (1.000×0.125)/0.04=3.125=3.13
((0.56522-(0.4375)2)/0.04 ((0.5625+0.4375)(0.5625-0.4375))/0.04 (1.000×0.125)/0.04=3.125=3.13THIS WEEK's
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