SOLUTION: how may different four digit numbers can you make using 1,2,3,4,5,6,7,8,9 if no digit appears more than once in a number
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Question 868305: how may different four digit numbers can you make using 1,2,3,4,5,6,7,8,9 if no digit appears more than once in a number
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The 1st digit is 1 of 9
then 1 of 8, etc
--> 9*8*7*6
= 3024
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