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1. |
Express 45,280,000 in scientific notation. |
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A. |
4.528 × 107 |
B. |
45.28 × 106 |
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C. |
4.528 × 106 |
D. |
4.528 × 10-7 |
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Hint |
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2. |
Simplify (-3a5b3)4. |
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A. |
-81a9b12 |
B. |
81a20b12 |
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C. |
-12a20b12 |
D. |
-12a9b7 |
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Hint |
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3. |
Find the difference -18 - 4. |
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A. |
22 |
B. |
-22 |
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C. |
14 |
D. |
-14 |
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Hint |
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4. |
Evaluate  if  |
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A. |
 |
B. |
-1 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Find the quotient (-100) ÷ (-25). |
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A. |
75 |
B. |
-4 |
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C. |
4 |
D. |
-125 |
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Hint |
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6. |
Evaluate  if x = -13, y = -10, and z = -5. |
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A. |
-24 |
B. |
24 |
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C. |
26 |
D. |
-26 |
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Hint |
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7. |
Use mental math to solve  |
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A. |
17 |
B. |
1 |
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C. |
16 |
D. |
-17 |
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Hint |
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8. |
If A = {5, 6, 7, 8} and B = {8, 9}. what set notation means that 7 belongs to set A but not set B? |
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A. |
7 = A, 7 B |
B. |
7 A, 7 B |
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C. |
7 A, 7B |
D. |
7 A, 7 B |
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Hint |
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9. |
Which is the graph of -4 and  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Which is a graph showing the set of real numbers greater than  |
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A. |
 |
B. |
 |
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C. |
 |
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. |
 |
B. |
{0,1,2,3,4,5,6,7,8} |
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C. |
{2,4,6,8} |
D. |
{2,4} |
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Hint |
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12. |
 is a real number and  and  is a real number and  Which is the graph of |
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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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13. |
What is the value of cell A4? |
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A. |
90 |
B. |
18 |
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C. |
9 |
D. |
27 |
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Hint |
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14. |
What is the value of cell B2? |
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A. |
27 |
B. |
12 |
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C. |
21 |
D. |
5 |
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Hint |
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15. |
If a = –3 and b = 3, what is  |
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A. |
27 |
B. |
–81 |
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C. |
–27 |
D. |
36 |
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Hint |
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16. |
If  and  , what is  |
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A. |
 |
B. |
 |
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C. |
216 |
D. |
125 |
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Hint |
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