SOLUTION: i need all 4 digit permutations out of A,B,C and D without constraints

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Question 740629: i need all 4 digit permutations out of A,B,C and D without constraints
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
There are none. ABCD are not digits but letters.
There are 24 possibilities of ABCD

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