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Mathematics 11 Online
OpenStudy (anonymous):

You want to create an ID code for the students in your school based on three characters. The first and second characters must be a letter of the alphabet, and the third must be a digit between 1 and 9 inclusive. If repeat letters are allowed, how many such codes are there?

OpenStudy (anonymous):

can someone help me with this problem now

OpenStudy (shamim):

Welcome to openstudy !!!!

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