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August 28, 2015

Homework Help: math157

Posted by Tami on Saturday, August 14, 2010 at 3:00am.

How many three-symbol codes (letter-number-number) can be made from the letters S, P, Y and two digits from the set {0, 1, 2, ,9} without repetition?


I think I am suppose to match each letter with a number until I exhaust all possibilities but I am not sure can you help please?

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