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How many ways can 7 books be arranged on a shelf 5 at a time?

How many ways can 7 books be arranged on a shelf 5 at a time?
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2 votes
How many ways can 7 books be arranged on a shelf 5 at a time?

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User Victor Santizo
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7.7k points

1 Answer

5 votes
Symbolically, write this:

C
7 5. Know how to evaluate that?


C stands for "combination."
answered
User Brenda Bell
by
7.9k points
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