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\(^{-2}\)
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
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 \times 10\(^{-2}\)
Final answer: 3.79\times10\(^{−2}\)
Source: Myschool Past Questions Archive (Record #41904)