This can be done in ways. Now these letters can be permuted in ways. Here we have divided by twice because two of the letters are repeated twice. Therefore, total number of words = 1680+756+18 = 2454.

A permutation is an arrangement of all or part of a set of objects, with regard to the order of the arrangement. For example, suppose we have a set of three letters: A, B, and C. We might ask how many ways we can arrange 2 letters from that set. Each possible arrangement would be an example of a permutation.

1 Answer. Geoff K. 7! , which is 5040.

There is a subset of permutations that takes into account that there are double objects or repetitions in a permutation problem. In general, repetitions are taken care of by dividing the permutation by the factorial of the number of objects that are identical.

How To: Given n distinct options, determine how many permutations there are.

1. Determine how many options there are for the first situation.
2. Determine how many options are left for the second situation.
3. Continue until all of the spots are filled.
4. Multiply the numbers together.

So for 6 items the equation is as follows 6*5*4*3*2= 720 possible combinations of 6 items. If you can choose to use less of the items in a sequence that changes things. 1 item used = 6 possibilities .

10 CHOOSE 6 = 210 possible combinations….What is 10 CHOOSE 6 or Value of 10C6?

What is 10 CHOOSE 8 or Value of 10C8? 10 CHOOSE 8 = 45 possible combinations. 45 is the total number of all possible combinations for choosing 8 elements at a time from 10 distinct elements without considering the order of elements in statistics & probability surveys or experiments.