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OpenStudy (anonymous):
Welp I need Help ASAP follow and medal included ;) Mr. Jefferson has 20 students in his class. He wants to send 4 of these students to pick up books for the class. How many combinations of 4 students can he choose? A. 5 B. 80 C. 4845 D. 116,280
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OpenStudy (usman1995):
it'c C ,, 4845 , it's 20C4 and now medal plz
OpenStudy (anonymous):
20×19×18×17
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