in expressing a length of 61.472 km as nearly as possible with the 3 significant digits , find the percentage error ?	Choose the correct choice from the following choices:
A) 0.35 %
B) 0.4 %
C) 0.045 %
D) 0.6 %
E) none of these

Rationale: explanation : error = ( 61.5 - 61.472 ) = 0.028 required percentage = 0.028 / 61.472100 = 0.045 answer : c
Answer: C