1.   An arrangement in which order is important is called a(n) ______.
    A. outcome B. compound event
    C. factorial D. permutation
    Hint

  2.   In how many ways can 8 CDs be stacked?
    A. 288 B. 36
    C. 9216 D. 40,320
    Hint

  3.   Find the number of ways a family of 4 can stand next to each other for a photograph.
    A. 120 B. 76
    C. 10 D. 24
    Hint

  4.   Eight ______ is the product of all the counting numbers beginning with eight and counting backward to one.
    A. permutation B. outcome
    C. factorial D. compound event
    Hint

  5.   Evaluate 2! · 7!.
    A. 5,040 B. 362,880
    C. 14 D. 10,080
    Hint



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