

1. 
An infant weighs 7 pounds at birth. Assuming that she gains 1 pound every 2 weeks, how much will she weigh in 10 weeks? 


A. 
17 pounds 
B. 
12 pounds 


C. 
7 pounds 
D. 
5 pounds 


Hint 


2. 
Which operation should be done first when evaluating 15 – 5 ÷ 3 + 2  1? 


A. 
subtraction 
B. 
addition 


C. 
multiplication 
D. 
division 


Hint 


3. 
Write 2^{4} as a product. 


A. 
2 + 2 + 2 + 2 
B. 
2 · 2 · 2 · 2 


C. 
4 + 4 
D. 
4 · 4 


Hint 


4. 
Which number is a solution to x + 7 = 16? 


A. 
8 
B. 
23 


C. 
9 
D. 
10 


Hint 


5. 
Write 3,465 in scientific notation. 


A. 
3.465×10^{3} 
B. 
0.3465×10^{4} 


C. 
34.65×10^{2} 
D. 
346.5×10 


Hint 


6. 
Write 2,564,000 in scientific notation. 


A. 
25.64×10^{5} 
B. 
2,564×10^{3} 


C. 
2.564×10^{5} 
D. 
2.564×10^{6} 


Hint 


7. 
On how many days was the temperature at least 71 degrees? 





A. 
1 
B. 
2 


C. 
5 
D. 
3 


Hint 


8. 
What is the median for a set of quiz scores? 





A. 
13 
B. 
17 


C. 
16 
D. 
15 


Hint 


9. 
Evaluate y^{3} if y = 4. 


A. 
12 
B. 
43 


C. 
64 
D. 
16 


Hint 


10. 
Solve x + 3 = 22. 


A. 
19 
B. 
25 


C. 
23 
D. 
17 


Hint 


11. 
57 mL = ______ L 


A. 
57,000 
B. 
0.057 


C. 
0.0057 
D. 
0.57 


Hint 


12. 
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. 
2.99 × 10^{10} 
B. 
3.00 × 10^{9} 


C. 
3.00 × 10^{8} 
D. 
2.99 × 10^{9} 


Hint 


13. 
How many baseball players had a batting average above .250? 





A. 
2 
B. 
7 


C. 
9 
D. 
11 


Hint 


14. 
Which is the correct line plot for this information? 





A. 

B. 



C. 

D. 



Hint 


15. 
Find the next term in the sequence 83, 92, 101, 110, … 


A. 
55 
B. 
111 


C. 
121 
D. 
119 


Hint 


16. 
Write 7 · 7 · 7 · 7 · 7 in exponential form. 


A. 
7^{5} 
B. 
5^{7} 


C. 
7^{7} 
D. 
5^{5} 


Hint 


17. 
The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room? 





A. 
3(1.5) + 2(1) + 2 


B. 
1.5 + 1.5 + 1.5 + 1 + 1 + 2 


C. 
3 × 1.5 + 2 × 1 + 2 


D. 
5(1.5 + 1) + 2 


Hint 


18. 
Choose the sequence that is geometric. 


A. 
8, 7, 6, 5, … 
B. 
1, 2, 6, 24, … 


C. 
4, 0.8, 0.16, 0.032, … 
D. 
1.2, 1.8, 2.4, 3.0, … 


Hint 


19. 
The Mojave Desert in southern California is 15,000 square miles. The Sahara Desert in northern Africa is about 233 times larger than the Mojave Desert. How big is the Sahara Desert? 


A. 
3.5 × 10^{5} sq mi 
B. 
3.5 × 10^{6} sq mi 


C. 
3.5 × 10^{3} sq mi 
D. 
3.5 × 10^{4} sq mi 


Hint 


20. 
Make a stemandleafplot of the prices of DVD players listed in the table. 





A. 



B. 



C. 



D. 



Hint 


