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Express 0.03785 in standard form correct to 3 significant figures.

Mathematics
NECO 2001

Express 0.03785 in standard form correct to 3 significant figures.

  • A. 3 × 10\(^{-2}\)
  • B. 3.78 × 10\(^{-2}\)
  • C. 3.79 × 10\(^{-2}\)
  • D. 3.79 × 10\(^{-1}\)
  • E. 3.78 × 10\(^{-2}\)
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Correct Answer: Option C
Explanation

To express 0.03785 in standard form to 3 significant figures:

* Identify significant figures: 3.785

* Round to 3 figures: 3.79.

* Write in standard form: 3.79 × 10\(^{-2}\)

Final answer:  3.79×10\(^{−2}\)​


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