Which set of numbers is arranged in descending order?

a 7.2 x 10^-30, 7 x 10^-30, 7.6 x 10^-25, 7.2 x 10^-25
b 7.6 x 10^-25, 7.2 x 10^-25, 7.2 x 10^-30, 7 x 10^-30
c 7.6 x 10^-25, 7.2 x 10^-30, 7.2 x 10^-25, 7 x 10^-30
d 7 x 10^-30, 7.2 x 10^-25, 7.2 x 10^30, 7.6 x 10^-25

1 answer

The set of numbers that is arranged in descending order is:

c 7.6 x 10^-25, 7.2 x 10^-30, 7.2 x 10^-25, 7 x 10^-30