SOLUTION: 2. How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? if repetitions are not allowed?
Algebra ->
Probability-and-statistics
-> SOLUTION: 2. How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? if repetitions are not allowed?
Log On
Question 221659: 2. How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? if repetitions are not allowed? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? if repetitions are not allowed?
----------------------
Repetitions allowed: 26^2*10^2 = 67600
----------------------------
Not allowed: 26*25*10*9 = 58500
------------------------------
Cheers,
Stan H.
(