SOLUTION: how many different id cards can be made with 3 digits never repeating same number

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Question 956631: how many different id cards can be made with 3 digits never repeating same number
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Once you choose the first digit, only 9 are then available.
Once you choose the second digit, only 8 are then available.
N=10%2A9%2A8=720