The current definition was adopted in 1983 and modified slightly in 2002 to clarify that the metre is a measure of proper length. In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. In 1799, the metre was redefined in terms of a prototype metre bar. The metre was originally defined in 1791 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately 40 000 km. In visual terms, the symbol is a squiggly equal sign.The metre (or meter in American spelling symbol: m) is the base unit of length in the International System of Units (SI). The Approximately Equal symbol (≈) in mathematics is used to indicate the similarity between two expressions, but not the exact equality of the expressions. (2022) 5 Ways to Type (≈) Approximately Equal Symbol. Control characters (e.g., \n) are not interpreted in character strings in plotmath, unlike normal plotting. (2) For purpose of this part, capital assets do not include intangible right-to-use assets (per GASB) and right-to-use . 2 CFR Part 200 - Uniform Administrative Requirements.
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