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