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A set of tested hypotheses that give an verall explanation of some natural phenomenon |
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| The same observaton applies to many different systems |
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| The amount of mass per unit volume |
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| a unit that is a combination of SI base units |
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| a measure of teh gravitational pull on matter |
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| the agreement of a particular value with the true value. |
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| the degree of agreement among several measurements made in the same manner. |
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| SI base unit Amount of Substance |
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| measurement has an equal probability of being high or low. |
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| measurement has an equal probability of being high or low. |
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| the curved surface of a liquid in a narrow cylindrical container. |
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| error that arise when a meniscus or needle is viewed from an angle rather than from straight-on at eye level. |
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Mathematic operations
Addition and Subtraction |
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| The number of decimal places in the result equals the number of decimal places in the least precise measurement. |
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Mathematical Operations
multiplication and division |
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Definition
| # sig figs in the result equals the number for lowest number of significant figures in the calculation. |
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