convert 628 kilometers to miles.round off your answer to two decimal places

A.1,010.65
B.1,010.64
C.
390.24
D.390.23
m y answer is c I know d is wrong .can someone please help

4 answers

1 km = 0.621371 miles

628 * 0.621371 = 390.220988 = 390.22 miles

None of those answers is correct.
1 km = 0.621371 miles
so 628 km = 628(0.621371) miles
= ....

http://www.google.com/#q=convert+km+to+miles
that's what I have to pick from ,can someone help
Tell your teacher that two experienced teachers told you that none of the answers is correct.