SOLUTION: A certain state has license plates showing three numbers and three letters. How many different license plates are possible (a) if the numbers must come before the letters? (b) i

Question 1075990: A certain state has license plates showing three numbers and three letters.
How many different license plates are possible
(a) if the numbers must come before the letters?
(b) if there is no restriction on where the letters and numbers appear?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(a)
3 numbers followed by 3 letters:

-------------------------------
(b)
What are all possible combinations of
POSITIONS of the 3 numbers and letters?
for instance:
NLNLNL
NLNLLN
NLLLNN
etc
That would be C( 6,3 )

The answer is then

definitely get a 2nd opinion on this.

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