Question: Suppose we want to choose 2 objects, without replacement, trom the 4 objects pencil, eraser, desk, and chair. (If necessary, consult a list.of formulas-)

Suppose we want to choose 2 objects, without replacement, trom the 4

Suppose we want to choose 2 objects, without replacement, trom the 4 objects pencil, eraser, desk, and chair. (If necessary, consult a list.of formulas-) (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?

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