

1. 
In how many ways can 8 CDs be stacked? 


A. 
288 
B. 
40,320 


C. 
36 
D. 
9216 


Hint 


2. 
Find the number of ways a family of 4 can stand next to each other for a photograph. 


A. 
10 
B. 
24 


C. 
76 
D. 
120 


Hint 


3. 
Compute 5! 


A. 
15 
B. 
120 


C. 
60 
D. 
720 


Hint 


4. 
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. 
120 


C. 
24 
D. 
60 


Hint 


5. 
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. 
99 


C. 
120 


D. 
1,816,214,400 


Hint 


