juanmiguel5648 juanmiguel5648

11-05-2018
Mathematics

contestada

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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baileesh2 baileesh2

14-05-2018

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

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