SOLUTION: 1. You need to arrange 8 of your favorite books on a small shelve? How many different ways can you arrange the books, assuming that the order of books makes a difference to you?

Algebra ->  Permutations -> SOLUTION: 1. You need to arrange 8 of your favorite books on a small shelve? How many different ways can you arrange the books, assuming that the order of books makes a difference to you?       Log On


   



Question 966037: 1. You need to arrange 8 of your favorite books on a small shelve? How many different ways can you arrange the books, assuming that the order of books makes a difference to you?


Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!

The answer is 8! ("eight factorial") = 8*7*6*5*4*3*2*1 = 40320,
which is the number of permutations of 8 objects.

(8 ways to put the first book in the first place,
then 7 ways to put the second book in the second place,
then 6 ways to put the third book in the third place,
and so on).