Mathematics, 23.04.2021 02:00, lyne29

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?

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

Answers: 3

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