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OpenStudy (anonymous):
While attending a film festival you decide that there are 13 movies that you are interested in seeing. However, you only have time to see 7 movies. In how many different ways can you watch 7 of the 13 movies? A. 8,648,640 B. 13 C. 665,280 D. 4,324,320
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OpenStudy (cj49):
13x12x11x10x9x8x7
OpenStudy (anonymous):
a 13P7
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