Simplify (0.09)2 and give your answer correct to 4 significant figures

Mathematics JAMB 2015

Simplify (0.09)2 and give your answer correct to 4 significant figures

  • 0.81
  • 0.081
  • 0.0081 checkmark
  • 8.0001

The correct answer is: C

Explanation

(0.09)2 = 0.09 × 0.09

= 0.0081

= 0.008100 to 4 significant figures

Please, start counting first from the non-zero digits i.e. 8

There is an explanation video available .

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