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08-07-2019
Mathematics

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how many different ways can you choose 5 books from a total of 15 books

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08-07-2019

Answer:

3003.

Step-by-step explanation:

This is the number of combinations of 5 books from 15 = 15C5

= 15! / 10! 5!

= 15*14*13*12*11 / 5*4*3*2*1

= 3*7*13*11

= 3003.

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