Posted by **B.B.** on Monday, August 3, 2009 at 1:04pm.

Did I do this problem right?

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?

Answer: 3*10*9=270.

- Math -
**bobpursley**, Monday, August 3, 2009 at 1:28pm
correct

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