how many centimeters are in 25 kilometers?

A. 2.5 x 10 to the power of 6
B. 2.5 x 10 to the power of 4
C. 2.5 x 10 to the power of 3
D. 2.5 x 10 to the power of 5

Respuesta :

A. 
25km x 10^3m/1km x 1cm/10^-2m 
cancel out km and m left with cm 
yedida

its A 2.5 x 10^6 took the test