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.
1 answer
correct
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.
1 answer