SOLUTION:
One company's ID cards consist of 5 letters followed by 2 digits. How many cards can be made if repetitions are allowed? If repetitions are not allowed?
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Question 735675:
One company's ID cards consist of 5 letters followed by 2 digits. How many cards can be made if repetitions are allowed? If repetitions are not allowed?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
26*26*26*26*26*10*10=1,188,137,600 COMBINATIONS WITH REPEATS.
26*25*24*23*22*10*9=710,424,000 COMBINATIONS WITHOUT REPEATS.
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