Mathematics, 30.09.2019 21:00, clickbaitdxl

How many combinations of 4 students can a teacher choose from 30 students? a. 27,405 b. 120 c. 657,720 d. 810,000

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How many combinations of 4 students can a teacher choose from 30 students? a. 27,405 b. 120 c. 657,...