SOLUTION: How many three-letter code symbols can be formed using a set of 5 different letters if repetition is not allowed?

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Question 255347: How many three-letter code symbols can be formed using a set of 5 different letters if repetition is not allowed?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
THE FIRST LETTER CAN BE ONE OF 5.
THE SECOND ONE OF 4
AND THE THIRD ONE OF 3
5*4*3=60 ANS.