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Posted by on Wednesday, May 19, 2010 at 7:26pm.

How many 4-character license plates are possible with 2
letters from the alphabet followed by 2 digits, if repetitions
are allowed? if repetitions are not allowed?

  • Math/ Probability - , Wednesday, May 19, 2010 at 11:59pm

    a) 26x26x10x10
    b) 26x25x10x9

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