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Today, 05:57

If u have 200 courses to choose from and can only choose 4 how many choices do u have. is it 200:4?

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Answers (2)
  1. Today, 06:41
    0
    Basically the question means

    how many ways are there to choose 4 classes if you have 200 classes to choose from?

    so permutations (combinations is if you can repeat choices, but obviously you won't take the same class 4 times)

    slot system (simple way to explain permutations)

    so you have 4 slots to fill and you have 200 choices

    1st slot: 200 choies

    2nd slot: 199 choices (1 less choice)

    3rd slot: 198 choices (1 less choice)

    4th slot: 197 choices (1 less choice)

    to find how many ways, we do,

    200*199*198*197 = 1,552,438,800 choices

    no it is not 200/4
  2. Today, 09:09
    0
    No, it is not 200/4. Because in the question, it says you have 4 choices.
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