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Significant figures (also known as the significant digits, precision or resolution) of a number in positional notation are digits in the number that are reliable and necessary to indicate the quantity of something. If a number expressing the result of a measurement (e.g., length, pressure, volume, or mass) has more digits than the number of digits allowed by the measurement resolution, then only as many digits as allowed by the measurement resolution are reliable, and so only these can be significant figures.
Significant Figures - Wikipedia
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Man is a rope stretched between the animal and the Superman—a rope over an abyss.
Thus Spake Zarathustra
Friedrich Wilhelm Nietzsche
But wealth had another advantage, too. Not only could it buy wives directly, it could also buy "power." It is noteworthy that it is hard to distinguish between wealth and power before the time of the Renaissance. Until then there was no such thing as an power economic sector independent of the power structure. A man's livelihood and his allegiance were owed to the same social superior. Power is, roughly speaking, the ability to call do your bidding, and that depended strictly on wealth (with a little help from violence).
The Red Queen
Matt Ridley
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