

1. 
Express 0.49% as a decimal. 


A. 
0.0049 
B. 
0.49 


C. 
0.049 
D. 
0.00049 


Hint 


2. 
In a sample of air containing about 500 liters, 4.67 liters of the element Argon was found. What percentage of the air is Argon? 


A. 
0.467% 
B. 
0.934% 


C. 
0.1868% 
D. 
0.2335% 


Hint 


3. 
The number of U.S. households with cable television increased 219% between 1981 and 2001. Write 219% as a decimal. 


A. 
21,900 
B. 
0.219 


C. 
21.9 
D. 
2.19 


Hint 


4. 
Find 0.061 written as a percent. 


A. 
61% 
B. 
6.1% 


C. 
0.61% 
D. 
0.00061% 


Hint 


5. 
Find 0.008 written as a percent. 


A. 
0.8% 
B. 
80% 


C. 
8% 
D. 
0.08% 


Hint 


