SOLUTION: find the number of four digit identification card that can be made by using 3 4 5 6 7 8

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Question 1082012: find the number of four digit identification card that can be made by using 3 4 5 6 7 8
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
6 ways to choose the first number, and 6 each for the 2nd, 3rd, and 4th.
6^4=1296.