

1. 
Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}. 


A. 
8 
B. 
4 


C. 
12 
D. 
16 


Hint 


2. 
Evaluate if a = 9, b = 6 and c = 3. 


A. 
11 
B. 
15 


C. 
9 
D. 
5 


Hint 


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


A. 
4 · 4 
B. 
2 · 2 · 2 · 2 


C. 
4 + 4 
D. 
2 + 2 + 2 + 2 


Hint 


4. 
Evaluate 3^{4}. 


A. 
81 
B. 
12 


C. 
64 
D. 
7 


Hint 


5. 
Evaluate b^{3} + 6 if b = 2. 


A. 
15 
B. 
512 


C. 
14 
D. 
12 


Hint 


6. 
Solve 5 + y = 11. 


A. 
7 
B. 
6 


C. 
16 
D. 
2 


Hint 


7. 
11,241 g = ______kg 


A. 
11,241,000 
B. 
0.11241 


C. 
112.41 
D. 
11.241 


Hint 


8. 
What is the next term in the sequence 1, 5, 25, 125, … ? 


A. 
625 
B. 
225 


C. 
3,125 
D. 
129 


Hint 


9. 
Luis Gonzales plays baseball for the Arizona Diamondbacks. After 20 games one season, he had 11 homeruns. Predict how many homeruns he will have after 100 games. 


A. 
55 
B. 
100 


C. 
220 
D. 
22 


Hint 


10. 
Name the operation that should be done first in the expression 9 × (7 – 3) ÷ 2. 


A. 
division 
B. 
multiplication 


C. 
subtraction 
D. 
addition 


Hint 


11. 
Evaluate y^{3} if y = 4. 


A. 
12 
B. 
43 


C. 
16 
D. 
64 


Hint 


12. 
Solve x + 3 = 22. 


A. 
19 
B. 
17 


C. 
25 
D. 
23 


Hint 


13. 
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^{10} 
D. 
2.99 × 10^{9} 


Hint 


14. 
Write 1,360,000,000,000 in scientific notation. 


A. 
1.36 × 10^{12} 
B. 
13.6 × 10^{12} 


C. 
1.36 × 10^{13} 
D. 
0.136 × 10^{13} 


Hint 


15. 
Which symbol makes the following statement true? 568 ______ 5.1 × 10^{2} 


A. 
= 
B. 
< 


C. 

D. 
> 


Hint 


16. 
Find the next term in the sequence 13, 19, 24, 28, … 


A. 
41 
B. 
33 


C. 
32 
D. 
31 


Hint 


17. 
Write 7 · 7 · 7 · 7 · 7 in exponential form. 


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


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


Hint 


18. 
Express 64 in exponential form as a power of 4. 


A. 
2^{6} 
B. 
4^{5} 


C. 
4^{4} 
D. 
4^{3} 


Hint 


19. 
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. 
1.5 + 1.5 + 1.5 + 1 + 1 + 2 


B. 
5(1.5 + 1) + 2 


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


D. 
3 × 1.5 + 2 × 1 + 2 


Hint 


20. 
Which expression represents the Identity Property of Multiplication? 


A. 
h × 0 = 0 
B. 
j × 1 = j 


C. 
4 × 1 = 1 × 4 
D. 
8 + 0 = 8 


Hint 


