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Mathematics 11 Online
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

OpenStudy (usman1995):

it'c C ,, 4845 , it's 20C4 and now medal plz

OpenStudy (anonymous):

20×19×18×17

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