Question 303471: how many license plates can there be if it consists of 4 letters and 3 digits?
I tried the combination formula with the letters and then the digits and I multiplied the two. I got 14950 x 120=1794000. But i don'tknow if its right.
thank you, i would really appreciate your help
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! how many license plates can there be if it
consists of 4 letters and 3 digits?
------------------------------------
If repetition is allowed, the answer is 26^4*10^3 = 456,976,000
----
If repetition is not allowed, the answer is 26*25*24*23*10*9*8
= 258,336,000
=======================
Cheers,
Stan H.
|
|
|
