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WAEC - Mathematics (2009 - No. 17)

Express 2.7864 x 10-3 to 2 significant figures
0.28
0.27
0.0028
0.0027

Vysvetlenie

2.7864 x 10-3 = 0.0027864

= 0.0028(approx. 2 s.f)

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