In expressing a length of 61.472 km as nearly as possible with the three significant digits, find the percentage error ?  Choose the correct choice from the following.
A) 0.35% B) 0.4% C) 0.045% D) 0.6% E) None of these
Explanation :   Error = (61.5 - 61.472)= 
<gadget id="calculator">(61.5 - 61.472)</gadget>
<output>0.028</output>
0.028   Required percentage= 0.028/61.472100=0.045   Answer : 0.045%
<result>C</result>
In expressing a length of 61.472 km as nearly as possible with the three significant digits, find the percentage error ?