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Mathematics, 31.01.2020 21:53 shookie1993
Suppose we want to choose 2 objects, without replacement, from the 5 objects pencil, eraser, desk, chair, and lamp. (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 5 objects pencil, eraser, desk, c...
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