An airline reservation code consists of two alphabet letters…
An airline reservation code consists of two alphabet letters followed by 3 digits. For example, “TL307” is a valid code, and so is “LL222.” Clearly, repetition is allowed. Assume that all 26 letters of the English alphabet are available, how many valid codes are possible? Write ONLY your answer in the response box. Show your work which justifies your answer ON YOUR PAPER.
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