Adapted by Nelson Nuñez-Rodriguez
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By David W. Ball
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| QUESTION | ANSWER |
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1. Evaluate 0.00000000552 × 0.0000000006188 and express the answer in scientific notation. You may have to rewrite the original numbers in scientific notation first. |
1. 3.42 × 10−18 |
|
3. Express the number 6.022 × 1023 in standard notation. |
3. 602,200,000,000,000,000,000,000 |
|
5. When powers of 10 are multiplied together, the powers are added together. For example, 102 × 103 = 102+3 = 105. With this in mind, can you evaluate (4.506 × 104) × (1.003 × 102) without entering scientific notation into your calculator? |
5. 4.520 × 106 |
|
7. Consider the quantity two dozen eggs. Is the number in this quantity “two” or “two dozen”? Justify your choice. |
7. The quantity is two; dozen is the unit. |
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9. Fill in the blank: 1 km = ______________ μm. |
9. 1,000,000,000 |
|
11. Fill in the blank: 1 cL = ______________ ML. |
11. 1/100,000,000 |
|
13. Express 67.3 km/h in meters/second. |
13. 18.7 m/s |
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15. Using the idea that 1.602 km = 1.000 mi, convert a speed of 60.0 mi/h into kilometers/hour. |
15. 96.1 km/h |
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17. Convert 52.09 km/h into meters/second. |
17. 14.47 m/s |
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19. Use the formulas for converting degrees Fahrenheit into degrees Celsius to determine the relative size of the Fahrenheit degree over the Celsius degree. |
19. One Fahrenheit degree is nine-fifths the size of a Celsius degree. |
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21. What is the mass of 12.67 L of mercury? |
21. 1.72 × 105 g |
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23. What is the volume of 2.884 kg of gold? |
23. 149 mL |