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16 December, 12:07

How many ways can three items be selected from a group of six items? Use the letters A, B, C, D, E, and F to identify the items, and list each of the different combinations of three items. (Enter your answers as a comma-separated list. Enter three unspaced capital letters for each combination.)

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  1. 16 December, 12:57
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    20 ways

    Step-by-step explanation:

    6C3 = 20

    (A, B, C)

    (A, B, D)

    (A, B, E)

    (A, B, F)

    (A, C, D)

    (A, C, E)

    (A, C, F)

    (A, D, E)

    (A, D, F)

    (A, E, F)

    (B, C, D)

    (B, C, E)

    (B, C, F)

    (B, D, E)

    (B, D, F)

    (B, E, F)

    (C, D, E)

    (C, D, F)

    (C, E, F)

    (D, E, F)
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