Respuesta :

Answer:

120

Step-by-step explanation:

There are 5 different ways to put the first book

Now there are 4 books left

There are 4 different ways to put the second book

Now there are 3 books left

There are 3 different ways to put the third book

Now there are 2 books left

There are 2 different ways to put the fourth book

Now there are 1 book left

5*4*3*2*1

120