Posted by **Rmz** on Friday, January 8, 2010 at 8:57pm.

How many three-symbol codes (letter, letter, number) can be made from the letters S, P, Y and one digit fro the set {0, 1, 2,...9} without repitition?

What and how do I get started?

- math 157 -
**bobpursley**, Friday, January 8, 2010 at 9:04pm
What is 3*2*10 ?

- math 157 -
**Rmz**, Saturday, January 9, 2010 at 3:55pm
60

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