Question Detail
In expressing a length of 81.472 km as nearly as possible with the three significant digits, find the percentage error
- 0.35%
- 0.34%
- 0.034%
- 0.035%
Answer: Option C
Explanation:
Error = (81.5 - 81.472) = 0.028
Required percentage = \begin{aligned}
\frac{0.028}{81.472} \times 100 = 0.034 %
\end{aligned}