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

  2.   Compute 5!
    A. 60 B. 15
    C. 720 D. 120
    Hint

  3.   Meghan owns 5 pairs of basketball shorts. If she wears a different pair every day for five days, how many different orders are there in which she could wear the shorts?
    A. 15 B. 60
    C. 120 D. 24
    Hint

  4.   A baseball team has 15 players, but there are only 9 positions. How many different choices are there for how to put 9 players on the field?
    A. 99
    B. 120
    C. 1,816,214,400
    D. 1,307,674,368,000
    Hint

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



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