SOLUTION: A manufacturer’s serial numbers consist of 2 letters of the alphabet followed by 2 numerical digits. How many serial numbers are possible?

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Question 1022619: A manufacturer’s serial numbers consist of 2 letters of the alphabet followed by 2 numerical digits. How many serial numbers are possible?

Answer by Alan3354(69443) About Me  (Show Source):
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A manufacturer’s serial numbers consist of 2 letters of the alphabet
Are upper and lower case considered different?
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