Question

In how many different ways can 5 books be arranged on a shelf?

25? 120? not sure.

Answer 1

Basically, the number of ways \(n\) number of things can be arranged is \(n!\). Do you know what the exclamation mark means?

Answer 2

Nope, nope that isn't it ^

Answer 3

whoa that is a lot!

Answer 4

what no. @Math_Is_Confusing123

Answer 5

What you have to find is \(5!\).

Answer 6

ya i do @ParthKohli
its like 5! = 5x4x3x2x1

Answer 7

Yep. You got it.

Answer 8

its 120! :) thanks.

Answer 9

You're welcome!! =)

Answer 10

de javu..

Answer 11

you solved this before already didnt you @mynameisjanelle ? or was i imagining things again? o.O

Answer 12

hmm, maybe i'm studying the same problems aagain. sorry for confusing you.
i forgot it too,. :P

Answer 13

Never mind, lgba. Deja vu is just a checkpoint repeat. ;)