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1. |
How would 9.3 × 10-7 be written in standard form? |
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A. |
93,000,000 |
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B. |
930,000,000 |
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C. |
0.00000093 |
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D. |
0.000000093 |
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Hint |
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2. |
Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain. |
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A. |
Yes, because 5 + 6 > 8. |
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B. |
No, because 52 + 62 82. |
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C. |
Yes, because 52 + 62 = 82. |
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D. |
No, because 8 + 6 < 5. |
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Hint |
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3. |
Find –4 – 6. |
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A. |
2 |
B. |
–10 |
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C. |
10 |
D. |
–2 |
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Hint |
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4. |
Find –2 × 5. |
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A. |
–10 |
B. |
10 |
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C. |
3 |
D. |
–7 |
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Hint |
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5. |
Find –5(–3). |
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A. |
15 |
B. |
10 |
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C. |
–5 |
D. |
–15 |
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Hint |
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6. |
Simplify (3x3)4. |
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A. |
27x7 |
B. |
81x12 |
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C. |
3x7 |
D. |
12x12 |
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Hint |
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7. |
Find the number you can put in the blank to make a sum less than zero.  |
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A. |
Answer must be less than . |
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B. |
Answer must be greater than . |
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C. |
Answer must be less than . |
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D. |
Answer must be less than or equal to . |
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Hint |
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8. |
The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin and Celsius temperatures both positive? |
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A. |
temperatures greater than 0°C |
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B. |
temperatures greater than 0 K |
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C. |
temperatures greater than –273 K |
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D. |
temperatures less than 150°C |
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Hint |
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9. |
In which quadrant are positive x-coordinates and negative y-coordinates located? |
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A. |
Quadrant I |
B. |
Quadrant II |
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C. |
Quadrant IV |
D. |
Quadrant III |
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Hint |
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10. |
Find the distance between (–3, 4) and (–1, –5). |
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A. |
2.24 units |
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B. |
8.66 units |
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C. |
3.32 units |
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D. |
9.22 units |
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Hint |
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