Answer:
5765760
Explanation:
We will use the Fundamental Counting Principle to find the answer. Simply determine the number of choices for each position and multiply.
For the first choice there are 16 choices. Then, the number is reduced by 1 each time.
So to get the answer, we have to multiply the numbers below:
16 x 15 x 14 x 13 x 12 x 11