SOLUTION: If the letters A, B, C, D, and E are to be used in a 5 letter code, how many different codes can be made if repetitions are not allowed?

Algebra ->  Probability-and-statistics -> SOLUTION: If the letters A, B, C, D, and E are to be used in a 5 letter code, how many different codes can be made if repetitions are not allowed?      Log On


   

Question 534164: If the letters A, B, C, D, and E are to be used in a 5 letter code, how many different codes can be made if repetitions are not allowed?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If the letters A, B, C, D, and E are to be used in a 5 letter code, how many different codes can be made if repetitions are not allowed?
---
1st letter: 5 ways
2nd letter: 4 ways
3rd letter: 3 ways
2nd letter: 2 ways
1st letter: 1 way
---
Ans: 5! = 120 codes
=========
Cheers,
Stan H.
============