Question: 4 Use formulafor Permutations(see Lecture section on Blackboard for week 4) to calculate in how many ways you can select2 people out of 10, order

4

  1. Use formulafor Permutations(see Lecture section on Blackboard for week 4)

    to calculate in how many ways you can select2 people out of 10,

    order of selection makes a difference.

    90
    60
    40
    20

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