Student Identification Numbers at a certain college must have four letters followed by three numbers (Ex: MJFE-899 OR ABCD-123). if each student must have his/her own separate number, how many ID's can the college issue if the letters and numbers can be used more than once in the same ID. (DO NOT INCLUDE COMMAS IN YOUR ANSWER)

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Q: How about 8-10? Will surely give a thumbs up afterwards.

A:

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