SOLUTION: One company's ID cards consist of 5 lower case letters followed by 2 digits. How many cards can be made if repetitions are allowed? How many cards can be made if repetions are not

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Question 184427: One company's ID cards consist of 5 lower case letters followed by 2 digits. How many cards can be made if repetitions are allowed?
How many cards can be made if repetions are not allowed?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
One company's ID cards consist of 5 lower case letters followed by 2 digits. How many cards can be made if repetitions are allowed?
Ans: 26^5*10^2 = 1,188,137,600
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How many cards can be made if repetions are not allowed?
26*25*24*23*22*10*9 = 719,424,000
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Cheers,
Stan H.