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| 1 | |
What metric unit would you use to measure a person's body weight? The wavelengths of light? The POL disinfectant? A blood specimen? |
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| 2 | |
Arrange the following prefixes in order from large to small: deci-, kilo-, micro-, milli-, centi-, femto-. For each prefix, give the multiple or fraction that it represents. |
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| 3 | |
Change these dilutions to percent solutions: 1:8, 1:4, and 1:10. |
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| 4 | |
Convert the following measurements using dimensional analysis and the correct conversion factors.
0.002 gram to milligrams:
0.000015 liter to milliliters:
1.0 × 10–10 m to nanometers:
110 pounds to kilograms: |
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| 5 | |
What equation is used to calculate a larger volume of a solution of the same strength? Which variable should be solved for? |
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| 6 | |
What equation is used to calculate a dilute solution from a concentrated solution? |
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| 7 | |
Why is it important to round off decimal fractions after multiplying or dividing? |
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| 8 | |
What general rules should be followed in rounding? Why? |
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| 9 | |
What fractions are the same as the following powers of 10: 10– 2; 10– 3? |
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| 10 | |
What is the best way to learn and become comfortable with the metric system? |
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| 11 | |
What is the easiest way to add the following fractions: ½, ¼, 1⁄10, 1⁄20, and 1⁄25? What is their sum? |
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| 12 | |
Which of the systems, English or metric, is the most accurate, especially for small amounts? Why? |
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| 13 | |
What are the three original basic units in the metric system? What does each measure? How are prefixes used with them? |
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| 14 | |
How can a more dilute solution be made from a concentrated solution? |
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