Evaluate 64 7642 - 35 2362 correct to 3 signifi... - JAMB Mathematics 1997 Question
Evaluate 64.7642 - 35.2362 correct to 3 significant figures
A
2960
B
2950
C
2860
D
2850
correct option: b
(64.764 - 35.236)(64.764 + 35.236)
= 29.528 x 100
= 2950 to 3 sig. fig.
= 29.528 x 100
= 2950 to 3 sig. fig.
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