SOLUTION: An identification code is to consist of four letters followed by three digits. How many different codes are possible if repetition is permitted?

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Question 460374: An identification code is to consist of four letters followed by three digits. How many different codes are possible if repetition is permitted?

Answer by stanbon(75887) About Me  (Show Source):
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An identification code is to consist of four letters followed by three digits. How many different codes are possible if repetition is permitted?
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Ans: 26^4*10^3 = 456,976,000 codss
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Cheers,
Stan H.