What are all of the possibilities that the numbers 0-9 can go into a 4 digit code?

I just got a new phone and I accidently locked it and it wont unlock. can anyone with free time help me figure this out.


I'VE TRIED EVERYTHING!!!What are all of the possibilities that the numbers 0-9 can go into a 4 digit code?
There are a bunch - what you've asked is:





How many combinations are possible if 10 numbers (0 to 9) are taken 4 at a time where each number can be reused?





I think you can figure it out. think of how many numbers, including 0 (written as 0000), can be mentioned between 0 and 9999.





you will quickly realize there are 10000 combinations.What are all of the possibilities that the numbers 0-9 can go into a 4 digit code?
there are 40 different codes
Try 10,000 codes





10^4 not 10*4
10000 can use every number from 0 to 9999 which is a total of 10000 possibiltys