isabelnarolin
isabelnarolin isabelnarolin
  • 29-11-2022
  • Mathematics
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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 relevant? 16 (b) How many ways can this be done, if the order of the choices is not relevant? X​

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