AT&T gave me a ridiculously long, $11$ character password for wifi network. How many possibilities are there for this PW with $11$ digits? (Seems a super computer couldn't hack it in a hundred years). $2$ numbers, $2$ special characters, $6$ lower case letters, and $1$ upper case letter.
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Can the numbers/letters be repeated? – Rhys Hughes May 17 '18 at 00:16
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Welcome to MSE. It will be more likely that you will get an answer if you show us that you made an effort. – José Carlos Santos May 17 '18 at 00:17
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Good question. Two letters are the same. All other numbers and letters are unique. – Robwest May 17 '18 at 00:25