

1. 
Solve 


A. 
16 
B. 
3 


C. 
24 
D. 
4 


Hint 


2. 
Which symbol makes the following statement true? 7,500 ______ 7.5 × 10^{3} 


A. 
> 
B. 



C. 
< 
D. 
= 


Hint 


3. 
On how many days was the temperature below 76 degrees? 





A. 
2 
B. 
6 


C. 
5 
D. 
1 


Hint 


4. 
The following are scores on an English exam. The highest score possible is 100. What is the greatest score? 





A. 
75 
B. 
21 


C. 
100 
D. 
71 


Hint 


5. 
Find the mode of {325, 100, 115, 621, 325, 325, 100}. 


A. 
325 
B. 
100 


C. 
115 
D. 
273 


Hint 


6. 
Find the next term in the sequence 3, 9, 15, 21, … 


A. 
36 
B. 
63 


C. 
25 
D. 
27 


Hint 


7. 
What is the next term in the sequence 1, 5, 25, 125, … ? 


A. 
129 
B. 
225 


C. 
3,125 
D. 
625 


Hint 


8. 
In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2. 


A. 
10 
B. 
20 


C. 
5 
D. 
40 


Hint 


9. 
Multiply 45.3 × 10^{2}. 


A. 
4.53 
B. 
0.453 


C. 
4,530 
D. 
453 


Hint 


10. 
523 m = ______ km 


A. 
5.23 
B. 
0.523 


C. 
523,000 
D. 
0.0523 


Hint 


11. 
Write 45,870,320 in scientific notation. 


A. 
4.587032 × 10^{7} 
B. 
45.87032 × 10^{7} 


C. 
4.587032 × 10^{8} 
D. 
45.87032 × 10^{6} 


Hint 


12. 
Choose an appropriate scale for the data 69, 72, 121, 81, 98. 


A. 
40 to 100 
B. 
65 to 125 


C. 
70 to 100 
D. 
70 to 120 


Hint 


13. 
What is the least energy used by any of these states (in hundred trillion BTU's)? 





A. 
5 
B. 
7 


C. 
6 
D. 
4 


Hint 


14. 
An automobile dealer wants to sell a certain car for $20,000. If three other dealers in town are selling the same car for $15,000, $15,000, and $30,000, which measure of central should the car dealer use to describe this data to his customers? 


A. 
mean 
B. 
range 


C. 
mode 
D. 
median 


Hint 


15. 
Find the next term in the sequence 81, 27, 9, 3, … 


A. 
3 
B. 
6 


C. 
9 
D. 
1 


Hint 


16. 
Express 64 in exponential form as a power of 4. 


A. 
4^{3} 
B. 
4^{4} 


C. 
2^{6} 
D. 
4^{5} 


Hint 


17. 
Evaluate 60 ÷ 12 + 2(13  7). 


A. 
2.5 
B. 
6 


C. 
22 
D. 
17 


Hint 


18. 
Mrs. Robinson bought each of her two daughters a red, white, and blue striped sweater. Her total came to $33.30. Find an equation that shows how much each sweater cost. Use s to represent of the cost of 1 sweater. 


A. 
2s = 33.3 
B. 
2 + s = 33.3 


C. 
s  2 = 33.3 
D. 
= 33.3 


Hint 


19. 
Choose the sequence that is arithmetic. 


A. 
4, 12, 36, 108, … 
B. 
17, 29, 41, 53, … 


C. 
5, 7, 12, 18, … 
D. 
1, 1, 2, 3, … 


Hint 


20. 
Write 9.01 × 10^{8} in standard form. 


A. 
90,100,000 
B. 
901,000,000 


C. 
9,010,000 
D. 
9,010,000,000 


Hint 


