

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 


