SOLUTION: If a "word" is any arrangement of 3 different letters, how many 3-letter "words" can be formed from the letters B, O, N, and K, where each letter is to be used once?
how many wo
4*3*2 = 24 different words under the given conditions.
One (any) of the 4 letters in the left-most position.
one of the 3 remaining letters in the next position, and
one of the 2 remaining letters in the last, third position.