This question involves the fundemental counting method.
Radio and television stations in the USA and Canada have four character station names. There are three choices written for the first letter: K,W,C. and a blank may be used as the last character. For example, both CKLW and WHO are acceptable names. How many station names are possible?

Question

This question involves the fundemental counting method.
Radio and television stations in the USA and Canada have four character station names. There are three choices written for the first letter: K,W,C. and a blank may be used as the last character. For example, both CKLW and WHO are acceptable names. How many station names are possible?

anonymous · Answer

What is the fundamental counting method?

anonymous · Answer

(5)(4)(3)(2)(1)..... or (n-5)(n-4)(n-3)(n-2)(n-1)... That type of thing

anonymous · Answer

5!=5x4x3x2x1

anonymous · Answer

Here is the wio method: 

1) Pick the first letter $3$
2) Pick the next 2 letters $26\times26$
3) Pick the last letter or a blank $27$

Combine them to get $3\times 26\times26\times27$

anonymous · Answer

@wio  omg you got me the right answer! THanks