SOLUTION: A three digit number uses the numbers 1, 5, and 7. any number can be repeated in the three digit number. how many three digit numbers are possible?
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Question 943559: A three digit number uses the numbers 1, 5, and 7. any number can be repeated in the three digit number. how many three digit numbers are possible? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A three digit number uses the numbers 1, 5, and 7. any number can be repeated in the three digit number. how many three digit numbers are possible?
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1st digit:: 3 ways
2nd digit:: 3 ways
3rd digit:: 3 ways
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Total #'s:: 27
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Cheers,
Stan H.
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