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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

Explicación

2.7864 x 10^-3 = 0.0027864

= 0.0028(approx. 2 s.f)

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