Detailed Instructions: In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Q: Problem: the radius of a wheel is 20.4 cm . what is the distance covered by the wheel in making 400 resolutions ? 
Options: a ) 512.448 m , b ) 704 m , c ) 510.448 m , d ) 706 m , e ) 204 m
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
a