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1. |
Express 0.091 in scientific notation. |
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A. |
9.1 × 102 |
B. |
9.1 × 101 |
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C. |
9.1 × 10-2 |
D. |
9.1 × 10-1 |
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Hint |
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2. |
Simplify (-3a5b3)4. |
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A. |
-12a9b7 |
B. |
-12a20b12 |
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C. |
81a20b12 |
D. |
-81a9b12 |
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Hint |
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3. |
Find the difference -18 - 4. |
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A. |
-22 |
B. |
-14 |
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C. |
14 |
D. |
22 |
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Hint |
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4. |
Find the sum  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Find the product (-3.6) × 7. |
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A. |
25.2 |
B. |
2.4 |
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C. |
10.6 |
D. |
-25.2 |
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Hint |
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6. |
Find 5(-20). |
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A. |
-15 |
B. |
100 |
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C. |
25 |
D. |
-100 |
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Hint |
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7. |
Which set notation means that 4 is an element of {3,4,5,6}? |
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A. |
4 {3, 4, 5, 6} |
B. |
4 {3, 4, 5, 6} |
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C. |
4 {3, 4, 5, 6} |
D. |
 {3, 4, 5, 6} |
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Hint |
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8. |
Use mental math to solve  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Which is a graph of whole numbers greater than 3? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Which is the graph of -4 and  |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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11. |
If A= {0,1,2,3,4}, B={2,4,6,8} and C=  find  |
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A. |
{2,4} |
B. |
{0,1,2,3,4,5,6,7,8} |
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C. |
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D. |
{2,4,6,8} |
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Hint |
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12. |
If A= {0,1,2,3,4}, B={2,4,6,8} and C= find  |
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A. |
{-3, -2, –1, 0} |
B. |
{-3, -2, –1, 0, 2, 4, 6, 8} |
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C. |
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D. |
{2,4,6,8} |
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Hint |
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13. |
What is the value of cell B2? |
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A. |
27 |
B. |
12 |
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C. |
5 |
D. |
21 |
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Hint |
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14. |
What is the value of cell D4? |
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A. |
1620 |
B. |
15 |
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C. |
540 |
D. |
1840 |
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Hint |
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15. |
If a = –3 and b = 4, what is  |
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A. |
–11 |
B. |
–27 |
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C. |
15 |
D. |
12 |
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Hint |
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16. |
What is  ? |
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A. |
 |
B. |
9 |
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C. |
6 |
D. |
 |
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Hint |
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