43. An insurance company uses computer file names that consist of 5 different letters
followed by 5 different digits
. If the letters are chosen from V, W, X,Y, Z, and the digits
are chosen from 0, 1, 2, ..., 9. how many different file names of this type can be created?
gew
(A) 15! - 5!
252
(B)
15!
5
10!
5!5!
10!
(D) 5! X
5!
10!
515!
4!