Express 2 7864 x 10-3 to 2 significant figures - WAEC Mathematics 2009 Question
Express 2.7864 x 10-3 to 2 significant figures
A
0.28
B
0.27
C
0.0028
D
0.0027
correct option: c
2.7864 x 10-3 = 0.0027864
= 0.0028(approx. 2 s.f)
= 0.0028(approx. 2 s.f)
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