How much combinations are there in a 4 digit code

- How much combinations are in a 4 digit code
- How many combinations are there in a 4 digit code
- How many possible combinations are there in a 4 digit code
- How many different combinations are there in a 4 digit code
- How many combinations are there for a 4 digit code with 10 numbers
- How many combinations are there for a 4 digit code with 9 numbers