SOLUTION: Serial numbers for a product are to be made using four letters (using any letter of the alphabet) followed by three single-digit numbers. For example, JDGR209 is one such serial nu
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Question 344855: Serial numbers for a product are to be made using four letters (using any letter of the alphabet) followed by three single-digit numbers. For example, JDGR209 is one such serial number. How many such serial numbers are possible if neither letters nor numbers can be repeated?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
26*25*24*23*10*9*8=258,336,000 total serial numbers.
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