Mathematics
Mathematics, 11.04.2020 05:52, ymuttmutt7628

Suppose we want to choose 3 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 relevant?
?
(b) How many ways can this be done, if the order of the choices is not relevant?

answer
Answers: 2

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