

1. 
Compute 6! 


A. 
6 
B. 
21 


C. 
5040 
D. 
720 


Hint 


2. 
In how many ways can 8 CDs be stacked? 


A. 
288 
B. 
9216 


C. 
36 
D. 
40,320 


Hint 


3. 
Eight ______ is the product of all the counting numbers beginning with eight and counting backward to one. 


A. 
permutation 
B. 
compound event 


C. 
outcome 
D. 
factorial 


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. 
1,307,674,368,000 


B. 
120 


C. 
1,816,214,400 


D. 
99 


Hint 


5. 
Evaluate 6! · 6!. 


A. 
1,440 
B. 
479,001,600 


C. 
518,400 
D. 
25,920 


Hint 


