Question 561823
A social security number is a code of 3 digits- 2 digits- 4 digits.
 If repetition of numbers were not permitted in social security numbers, how many different social security numbers would be possible?
:
Assuming the 1st digit can't be zero, but subsequent numbers can
9*9*8*7*6*5*4*3*2 = 3,265,920 numbers