Mathematics
Mathematics, 28.02.2021 09:00, savvaggeb

Suppose we want to choose 2 objects, without replacement, from the 3 objects pencil, eraser, and desk. (a) How many ways can this be done, if the order of the choices matters?

(b) How many ways can this be done, if the order of the choices does not matter?​

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Suppose we want to choose 2 objects, without replacement, from the 3 objects pencil, eraser, and des...

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