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How many ways can you choose 2 books from a shelf of 40 books?

How many ways can you choose 2 books from a shelf of 40 books?
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2 votes
How many ways can you choose 2 books from a shelf of 40 books?

asked
User Olivier Michallat
by
7.2k points

1 Answer

6 votes

Answer:

780 different ways

Explanation:

answered
User DanyAlejandro
by
8.2k points
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