SOLUTION: WHAT ARE ALL THE DIFFERENT 4 DIGIT COMBINATIONS THAT CAN BE MADE FROM THE NUMBERS 1-9 ?

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Question 90656: WHAT ARE ALL THE DIFFERENT 4 DIGIT COMBINATIONS THAT CAN BE MADE FROM THE NUMBERS 1-9 ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
9^4 = 6561
Cheers,
Stan H.