In how many ways can 4 books be selected from a shelf of 6 books if the order in which the books are selected does not matter?
Question:
In how many ways can 4 books be selected from a shelf of 6 books if the order in which the books are selected does not matter?
Answer:
Let's think step by step.

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In how many ways can 4 books be selected from a shelf of 6 books if the order in which the books are selected does not matter?
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