Mathematics, 18.03.2021 18:30, goldie2715

Suppose we want to choose 2 objects, without replacement, from the 4 objects pencil, eraser, desk, and chair. (a)
How many ways can this be done, if the order of the choices is taken into
consideration?

How many ways can this be done, if the order of the choices is not taken into
(b) consideration?

Answers: 3

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Suppose we want to choose 2 objects, without replacement, from the 4 objects pencil, eraser, desk, a...