Express 2.7864 x 10-3 to 2 significant figures

Mathematics WAEC 2009

Express 2.7864 x 10-3 to 2 significant figures

  • 0.28
  • 0.27
  • 0.0028 checkmark
  • 0.0027

The correct answer is: C

Explanation

2.7864 x 10-3 = 0.0027864

= 0.0028(approx. 2 s.f)
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