2 years ago

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

Mathematics

1 answer:

KatRina [158]2 years ago

7 0

Answer:

2520

Step-by-step explanation:

This is permutation question

<u>The formula for it: </u>

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

<u>Finding the answer:</u>

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

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