koltonross2004
koltonross2004 koltonross2004
  • 20-05-2017
  • Mathematics
contestada

How many ways can six books be aranged on a shelf

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Аноним Аноним
  • 20-05-2017
Actually, it means from left to right and such. For example:

(book1) (book3) (book5) (book6) (book2)

So, Because there are six books to arrange on the shelf, there are six stages in the problem. You must decide what the first book will be, what the second book will be, what the third book will be, and so on.

There are 6 choicses for the first book, 5 choices for the second book, 4 choices for the third book, and so on.

6 x 5 x 4 x 3 x 2 x 1 = ?

= !6

=720

Six books can be arranged 720 different ways.



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