SOLUTION: You have 2 letters and 9 digits, How many codes can be made if repetition is allowed?
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Question 547786: You have 2 letters and 9 digits, How many codes can be made if repetition is allowed?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
You have 2 letters and 9 digits, How many codes can be made if repetition is allowed?
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Ans: 26^2*10^9 = 6.76x10^11
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Cheers,
Stan H.
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