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In order to conduct a certain experiment, four students are randomly selected from a class of 20. how many different groups of four stdents are possible
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In order to conduct a certain experiment, four students are randomly selected from a class of 20. how many different groups of four stdents are possible

User Coz
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20x4=80
i am assuming this is correct this is how i learned just take all numbers in equation and multiply by each other
User Paniq
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