| |
| |
1. |
Which symbol makes the following statement true?
7,500 ______ 7.5 × 103 |
| |
|
A. |
= |
B. |
 |
| |
|
C. |
< |
D. |
> |
| |
|
Hint |
|
| |
2. |
Use the factor tree to write the prime factorization of 120. |
| |
|
A. |
2 × 2 × 3 × 5 |
B. |
2 × 60 |
| |
|
C. |
2 × 2 × 2 × 3 × 5 |
D. |
2 × 3 × 5 |
| |
|
Hint |
|
| |
3. |
Express 25% as a fraction. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Which symbol makes the sentence true? |
| |
|
 |
| |
|
A. |
> |
B. |
< |
| |
|
C. |
 |
D. |
= |
| |
|
Hint |
|
| |
5. |
James uses  cups flour to make one pie. If he is making four pies for a bake sale, how much flour will he need? |
| |
|
A. |
 cups |
B. |
 cups |
| |
|
C. |
6 cups |
D. |
 cups |
| |
|
Hint |
|
| |
6. |
The Gordons are building a deck in their back yard. They want it to be 10 feet wide and 15 feet long. If the scale on the blueprint is1 inch = 2.5 feet, what should the dimensions be in the scale drawing? |
| |
|
A. |
w = 4 in.,  = 5 in. |
B. |
w = 4 in., = 6 in. |
| |
|
C. |
w = 3 in., = 5 in. |
D. |
w = 25 in., = 37.5 in. |
| |
|
Hint |
|
| |
7. |
Express 830% as a decimal. |
| |
|
A. |
83.0 |
B. |
0.83 |
| |
|
C. |
8.3 |
D. |
0.083 |
| |
|
Hint |
|
| |
8. |
Twenty-five chips, numbered 1 through 25, are placed in a box. Five chips are randomly selected without being replaced. What is the probability that all 5 chips have an odd number on them? |
| |
|
A. |
|
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
An art gallery has 10 paintings to display. Six of the paintings are to be used for a new exhibit. Is this situation a permutation or combination? How many choices of paintings are possible? |
| |
|
A. |
permutation; 151,200 |
B. |
combination; 151,200 |
| |
|
C. |
permutation; 210 |
D. |
combination; 210 |
| |
|
Hint |
|
| |
10. |
Anna lives in San Francisco, and she has a business partner in Washington, D.C. Sometimes she flies to Washington for meetings; San Francisco and Washington, D.C., are 2438 miles apart. In August, Anna flies to Washington and back twice. What is a good estimate of the number of miles she has flown in August? |
| |
|
A. |
10000 miles |
B. |
5000 miles |
| |
|
C. |
1000 miles |
D. |
2500 miles |
| |
|
Hint |
|
| |
11. |
Evaluate y3 if y = 4. |
| |
|
A. |
16 |
B. |
64 |
| |
|
C. |
43 |
D. |
12 |
| |
|
Hint |
|
| |
12. |
67.2 m = ______ cm |
| |
|
A. |
67,200 |
B. |
672 |
| |
|
C. |
6,720 |
D. |
0.672 |
| |
|
Hint |
|
| |
13. |
Express  as a percent. |
| |
|
A. |
68.73% |
B. |
0.69% |
| |
|
C. |
6.87% |
D. |
687.30% |
| |
|
Hint |
|
| |
14. |
Express 52% as a fraction. |
| |
|
A. |
 |
B. |
|
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Express  as a percent. |
| |
|
A. |
60% |
B. |
3% |
| |
|
C. |
5% |
D. |
15% |
| |
|
Hint |
|
| |
16. |
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. |
0.2335% |
| |
|
C. |
0.1868% |
D. |
0.934% |
| |
|
Hint |
|
| |
17. |
In May, there were 157 people living in Kristin's neighborhood. By August, the population had increased 21%. How many people were in Kristin's neighborhood by August? |
| |
|
A. |
33 |
B. |
1900 |
| |
|
C. |
190 |
D. |
330 |
| |
|
Hint |
|
| |
18. |
Write 9.01 × 108 in standard form. |
| |
|
A. |
901,000,000 |
B. |
9,010,000,000 |
| |
|
C. |
90,100,000 |
D. |
9,010,000 |
| |
|
Hint |
|
| |
19. |
Which set of rational numbers is ordered from least to greatest? |
| |
|
A. |
0.6, , 73%,  |
| |
|
B. |
, 73%, , 0.6 |
| |
|
C. |
0.6, , , 73% |
| |
|
D. |
, 0.6, 73%, |
| |
|
Hint |
|
| |
20. |
Estimate  - . |
| |
|
A. |
0 |
B. |
1 |
| |
|
C. |
|
D. |
1 |
| |
|
Hint |
|
|
|