How many ways can a potential 4-letter word,whether or not it has a meaning,be created out of 10 available different letters?
A)4 * 3 * 2 * 1
B)10 * 9 * 8 * 7/(4 * 3 * 2)
C)10 * 9 * 8 * 7 * 6 * 5/(4 * 3 * 2)
D)10 * 9 * 8 * 7

Question

Quizplus · Accepted Answer

A 4-letter word can be formed by choosing 4 letters from 10 and arranging them. The number of ways to arrange 4 letters is 10 * 9 * 8 * 7, as each position in the word can be filled by any of the remaining letters after choosing the previous ones.

How Many Ways Can a Potential 4-Letter Word,whether or Not