Suppose we want to choose 3 objects, without replacement, from the 4 objects pencil, eraser, desk, and chair.

4 ways of choosing

Step-by-step explanation:

If you want to choose 3 objects, without replacement, from the 4 objects which are distinct, then permutation i.e then their arrangement doesn't really matter. Only their combination will be considered

That means, order of choosing doesn't matter,

pencil/ eraser/ desk will be same as  eraser/ desk/ pencil.

Number of ways of selecting 3 objects out of 4 distinct objects is:

⁴C₃ =

⁴C₃ =

⁴C₃ = 4

So, there are 4 ways of choosing

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step-by-step explanation:

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