Hi John, 6! is called a factorial, you basically start with a number (6) and multiply down to 1 ( 6 * 5 * 4 * 3 * 2 * 1). For your question, the first letter you have 6 choices (A,N,S,W,E,R). Next, you will have five remaining letters ex(N,S,W,E,R), and then f... Login to read more.