SOLUTION: How many different four-letter secret codes can be formed if the first letter must be an S or a T?

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Question 1146537: How many different four-letter secret codes can be formed if the first letter must be an S or a T?
Answer by Alan3354(69443) About Me  (Show Source):
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How many different four-letter secret codes can be formed if the first letter must be an S or a T?
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If it's all CAPS:
The 1st letter is 1 of 2
Then 1/26, 1/26, 1/26
---> 2*26*26*26