sebastianraiz09 sebastianraiz09

16-04-2020
Mathematics

contestada

In how many ways can Susan arrange 7 books into 5 slots on her bookshelf?

Respuesta :

mhanifa mhanifa

22-09-2020

Answer:

2520

Step-by-step explanation:

This is permutation question

The formula for it:

N = b!/(b-s)!, where N- number of ways, b- number of books, s- number of slots

Finding the answer:

N = 7!/(7-5)! = 7!/2! = 7*6*5*4*3 = 2520

Answer Link

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