Acomputer password is required to be 8 characters long. how many passwords are possible if the password requires 3 letter(s) followed by 5 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

There are 471744000 passwords.

Step-by-step explanation:

A computer password is required to be 8 characters long.

The password is in the form:  3 letter(s) followed by 5 digits (numbers 0-9)

Total English alphabets from a to z = 26

Total digits from 0 to 9 = 10

We do not have to repeat the letter or digits.

So, there will be =

= 471744000

the answer is 99.