In expressing a length of 102.472 km as nearly as possible with the three significant digits, find the percentage error  Choose the correct choice from the following.
A) 0.38%	B) 0.27%	C) 0.027%	D) 0.038%	E) None of these
Explanation:   Error = (102.5 - 102.472)= 
<gadget id="calculator">(102.5 - 102.472)</gadget>
<output>0.028</output>
0.028   Required percentage=   0.028/ 102.472Ã—100=0.027   Option 0.027%
<result>C</result>
In expressing a length of 102.472 km as nearly as possible with the three significant digits, find the percentage error