Again, this is a strange question. In the case of permutations, the order matters. So, AB is different from BA.

However, in this case, it is asking how many permutations of 1 letter are there in a total of 6 letters.

Of course, there are 6.

## See eNotes Ad-Free

Start your **48-hour free trial** to get access to more than 30,000 additional guides and more than 350,000 Homework Help questions answered by our experts.

Already a member? Log in here.