Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
A personal identification number may be set to be any 4 digits. (a) How many possible PINs are there? (b) How many possible PINs are there that do
- A personal identification number may be set to be any 4 digits.
- (a) How many possible PINs are there?
- (b) How many possible PINs are there that do not have a repeated digit? (c) How many possible PINs are there that do have a repeated digit?
