Which set of numbers is arranged in descending order? (1 point)
A.7.2 x 10^-30,7 x 10^-30,7.6 x 10^-25, 7.2 x 10^-25
B.7 x10^-30,7.2 x10^-25,7.2 x 20^-30, 7.6 x 10^-25
C.7.6 x 10^-25,7.2 x 10^-25,7.2 x 10^-30,7x10^-30
D. 7.6 x 10^-25, 7.2 x 10^-30,7.2 x 10^-25 , 7x10^-30