anonymous one year ago In how many ways can 7 books go in on one shelf

1. anonymous

7!=5040 You can order the first book with any 7 books, then you have 6 books left to order the second place and etc so 7!

2. anonymous

What does 7! Mean?

3. anonymous

@thatkeyholder

4. zzr0ck3r

$$7!=7*6*5*4*3*2$$

5. anonymous

Thanks

6. zzr0ck3r

$$7!:=7\times6\times5\times4\times3\times2$$

7. zzr0ck3r

np