### Home > A2C > Chapter 10 > Lesson 10.2.3 > Problem 10-91

10-91.

The first four factors of 7! are 7, 6, 5, and 4 or 7, (7 − 1), (7 − 2), and(7 − 3). Homework Help ✎

Show the first four factors of 12! in the same way the factors of 7! are shown above.

What are the first six factors of

*n*!?What is

_{n}P_{6}?

Begin with 12, (12−1) ... and write out four factors.

Write them in the same way you wrote the factors for part (a).

Remember the meaning of * _{n}*P

_{6}: choose and arrange 6 items from a collection of

*n*items.

*n*(*n* − 1)(*n* − 2)(*n* − 3)(*n* − 4)(*n* − 5)