SOLUTION: how many selection of three (3) letters can be chosen from the letters g,h,i,j,k,l please show working thanks

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Question 153315: how many selection of three (3) letters can be chosen from the letters g,h,i,j,k,l

please show working
thanks
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
WITH REPEATS:
6*6*6=1,296 SELECTIONS.
WITHOUT REPEATS:
6*5*4=120 SELETIONS.