Answer to Question #343925 in Discrete Mathematics for Bea

Question

How many possible passwords are there for the following conditions: 3

digits followed by 2 letters followed by 4 digits? (3 pts)

Answer 1

If capital letters are allowed

$$10^3(52^2)(10^4)=27040000000$$

If capital letters are not allowed

$$10^3(26^2)(10^4)=6760000000$$