which set of numbers are the numbers arranged in ascending order.

A. 3.25 x 10^-4, 1.25 x 10^-3, 2.25x10^-3, 3.25x10^-3
B. 0.00125, 0.00224, 0.000325, 0.00325
C. 0.000325, 0.00225, 0.00125, 0.00325
D. 3.25 x 10^-3, 2.25 x 10^-3, 3.25x10^-4, 1.25 x 10^-3

C. 0.000325, 0.00225, 0.00125, 0.00325