petheridge petheridge

26-04-2018
Mathematics

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The chorus has 30 members. Which expression represents the number of ways a group of 6 members

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0915lenora 0915lenora

01-05-2018

since you have to choose 6 out of 30, and the order doesn't matter, your answer is 30C6, or the combination notation of 30 choose 6.

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