In expressing a length of 81.472 km as nearly as possible with the three significant digits, find the percentage error
Choose the correct answer:
A) 0.35%	B) 0.34%	C) 0.034%	D) 0.035%	E) None of these
Explanation:   Error = (81.5 - 81.472)= 
<gadget id="calculator">(81.5 - 81.472)</gadget>
<output>0.028</output>
0.028   Required percentage=   0.028/ 81.472×100=0.034   Option 0.034%
<result>C</result>
In expressing a length of 81.472 km as nearly as possible with the three significant digits, find the percentage error