SOLUTION: A set of three digits is provided {3, 4, 5}. How many five-digit numbers can be formed that begin and end with “3” if unlimited repetitions are allowed? 5 nPr 3= 60

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Question 361827: A set of three digits is provided {3, 4, 5}. How many five-digit numbers can be formed that begin and end with “3” if unlimited repetitions are allowed?
5 nPr 3= 60

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
1*3^3*1=27
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Ed