SOLUTION: If a license plate consists of four digits, how many different licenses could be created having at least one digit repeated.
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Question 955563: If a license plate consists of four digits, how many different licenses could be created having at least one digit repeated.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If a license plate consists of four digits, how many different licenses could be created having at least one digit repeated.
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Total # possible:: 10^4 = 10000
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Total # with no repeated digits:: 10*9*8*7 = 5040
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Ans: # with at least one repeated digit:: 10000-5040 = 4960
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Cheers,
Stan H.
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