Question

You need to arrange of your favorite books along a small shelf. How many different ways can you arrange the​ books, assuming that the order of the books makes a difference to​ you?

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Part 1

enter your response here ways
​(Type a whole​ number.)

Answer 1

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).