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JAMB - Mathematics (1997 - No. 1)
Evaluate 64.764\(^2\) - 35.236\(^2\) correct to 3 significant figures
2960
2950
2860
2850
Forklaring
(64.764 - 35.236)(64.764 + 35.236)
= 29.528 x 100
= 2950 to 3 sig. fig.
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