SOLUTION: 3) How many 7-character license plates are possible if the first three characters must be letters, the last four must be digits 0-9, and repeated characters are allowed?
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Question 1199384: 3) How many 7-character license plates are possible if the first three characters must be letters, the last four must be digits 0-9, and repeated characters are allowed? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! 3) How many 7-character license plates are possible if the first three characters must be letters, the last four must be digits 0-9, and repeated characters are allowed?
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If only upper-case letters are allowed:
26*26*26*10*10*10*10
