SOLUTION: how many license plates of 4 symbols can be made using 2 letters and 2 digits?

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Question 227912: how many license plates of 4 symbols can be made using 2 letters and 2 digits?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
how many license plates of 4 symbols can be made using 2 letters and 2 digits?
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With repetition: 10^2*26^2
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Without repetition: 10*9*26*25
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Cheers,
Stan H.