

1. 
Solve 


A. 
24 
B. 
3 


C. 
16 
D. 
4 


Hint 


2. 
Write 2,564,000 in scientific notation. 


A. 
25.64×10^{5} 
B. 
2.564×10^{5} 


C. 
2.564×10^{6} 
D. 
2,564×10^{3} 


Hint 


3. 
Write 120,000,000 in scientific notation. 


A. 
12×10^{7} 
B. 
1.2×10^{8} 


C. 
0.12×10^{9} 
D. 
1.2×10^{9} 


Hint 


4. 
The following are scores on an English exam. The highest score possible is 100. Which is the correct line plot? 





A. 



B. 



C. 



D. 



Hint 


5. 
Which of the following numbers is composite? 


A. 
31 
B. 
9 


C. 
1 
D. 
23 


Hint 


6. 
What is the greatest common factor of 16x^{2} and 12x? 


A. 
4x^{2} 
B. 
4x 


C. 
16x^{2} 
D. 
12x 


Hint 


7. 
Express as a decimal. 


A. 
3.5625 
B. 
0.2807 


C. 
0.35625 
D. 
2.807 


Hint 


8. 
The speed of light in a vacuum is exactly 299,792,458 meters per second. Write this number in scientific notation with the factor rounded to the hundredths place. 


A. 
3.00 × 10^{8} 
B. 
3.00 × 10^{9} 


C. 
2.99 × 10^{9} 
D. 
2.99 × 10^{10} 


Hint 


9. 
Which of the following numbers is prime? 


A. 
75 
B. 
57 


C. 
63 
D. 
43 


Hint 


10. 
Express in simplest form. 


A. 

B. 



C. 

D. 



Hint 


11. 
Find the least common denominator for and . 


A. 
56 
B. 
112 


C. 
14 
D. 
24 


Hint 


12. 
Solve x = 9  (7). 


A. 
2 
B. 
16 


C. 
16 
D. 
2 


Hint 


13. 
For membership to an athletic club, it costs $150 to join and $28 per month of membership. Write an equation to figure out how many months it will be before the total cost is $290. 


A. 
290 = 150m + 28 
B. 
150 + 28m = 290 


C. 
28 + 290m = 150 
D. 
150 = 290 + 28m 


Hint 


14. 
Express 0.47 as a percent. 


A. 
470% 
B. 
47% 


C. 
0.47% 
D. 
4.7% 


Hint 


15. 
The graph below shows the number of minutes spent on the phone. What conclusion cannot be made about the data in the graph? 





A. 
Fourteen calls were made that were 10 minutes or less. 


B. 
There were a total of 69 calls made. 


C. 
Nineteen calls were made that were between 16 and 20 minutes. 


D. 
The interval with the fewest number of calls is 610. 


Hint 


16. 
Evaluate 15  9. 


A. 
6 
B. 
24 


C. 
6 
D. 
24 


Hint 


17. 
Miami, Florida is 5 hours ahead of Honolulu, Hawaii. If it is 5:00 A.M. in Miami, what time is it in Honolulu? 


A. 
1:00 A.M. 
B. 
midnight 


C. 
11:00 P.M. 
D. 
10:00 A.M. 


Hint 


18. 
Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this? 


A. 
10% 
B. 
15% 


C. 
40% 
D. 
20% 


Hint 


19. 
About 1 in every 25 people in Honolulu, Hawaii speak Chinese at home. What percent of people is this? 


A. 
25% 
B. 
8% 


C. 
5% 
D. 
4% 


Hint 


20. 
Find the true sentence. 


A. 
63% < 0.6 
B. 
> 0.17 


C. 
45% > 
D. 
0.56 = 


Hint 


