Evaluate: \(\frac{0.42 \div 2.5}{0.5 \times 2.95}\), leaving the answer in the standard form.
- 1.639 x 10\(^2\)
- 1.639 x 10\(^1\)
-
1.639 x 10\(^{-1}\)
- 1.639 x 10\(^{-2}\)
The correct answer is: C
Explanation
\(\frac{0.42 \div 2.5}{0.5 \times 2.05} = \frac{0.168}{1.025}\)
= 1.639 x 10\(^{-1}\)