SOLUTION: how many different 4-digit numbers can be made with the the following numbers if they can be onlu used once? the digits are: 2,3,4,5,6,7,8,and 9.

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Question 461615: how many different 4-digit numbers can be made with the the following numbers if they can be onlu used once? the digits are: 2,3,4,5,6,7,8,and 9.
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

Number of possible 4-digit numbers that can be formed = 8P4 = 1680