SOLUTION: How many four-letter "words" can be made from 6 letters "AEBWDP" if repetition of letters is allowed repetition of letters is not allowed

Algebra.Com
Question 1116686: How many four-letter "words" can be made from 6 letters "AEBWDP" if
repetition of letters is allowed
repetition of letters is not allowed
Answer by ikleyn(52780)   (Show Source): You can put this solution on YOUR website!
.
How many four-letter "words" can be made from 6 letters "AEBWDP" if 

repetition of letters is allowed              = 1296 ways;

                                         6 opportunities in each of 4 positions.



repetition of letters is not allowed      = 360 ways.

                                         6, 5, 4 and 3 opportunities in the 1-st, 2-nd, 3-rd and 4-th position, respectively.

Solved.


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