SOLUTION: From the five letters A, B, C, D, and E how many three letter horizontal arrangements are possible if no letter can be repeated?

Algebra ->  Permutations -> SOLUTION: From the five letters A, B, C, D, and E how many three letter horizontal arrangements are possible if no letter can be repeated?       Log On


   

Question 698389: From the five letters A, B, C, D, and E how many three letter horizontal arrangements are possible if no letter can be repeated?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
The first position has 5 possibilities.
The second position has 4 possibilities.
The third position has 3 possibilities.
The fourth position has 2 possibilities.
The last position has 1 possibility.
5*4*3*2*1=120 different arrangements.