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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
  • A. 0.81
  • B. 0.081
  • C. 0.0081
  • D. 8.0001
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Correct Answer: Option 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 below.


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Explanation Video

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