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  2. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    A repeating decimal or recurring decimal is a decimal representation of a number whose digits are eventually periodic (that is, after some place, the same sequence of digits is repeated forever); if this sequence consists only of zeros (that is if there is only a finite number of nonzero digits), the decimal is said to be terminating, and is not considered as repeating.

  3. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]

  4. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    Give the answer as a fraction representing a rational number, so the result of the division of 26 by 11 is (or as a mixed number, so =. ) Usually the resulting fraction should be simplified: the result of the division of 52 by 22 is also 26 11 {\displaystyle {\tfrac {26}{11}}} .

  5. Avogadro constant - Wikipedia

    en.wikipedia.org/wiki/Avogadro_constant

    The Avogadro constant, commonly denoted N A [1] or L, [2] is an SI defining constant with an exact value of 6.022 140 76 × 10 23 mol −1 (reciprocal moles). [3] [4] It is this defined number of constituent particles (usually molecules, atoms, ions, or ion pairs—in general, entities) per mole and used as a normalization factor in relating the amount of substance, n(X), in a sample of a ...

  6. 3.3 - Wikipedia

    en.wikipedia.org/wiki/3.3

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  7. Demographics of Costa Rica - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Costa_Rica

    White and Mestizos make up 83.4% of the population, 7% are black people (including mixed race), 2.4% Amerindians, 0.2% Chinese and 7% other/none. [4] In 2010, just under 3% of the population was of African descent. These are called Afro-Costa Ricans or West Indians and are English-speaking descendants of 19th-century black Jamaican immigrant ...

  8. The Empress of China - Wikipedia

    en.wikipedia.org/wiki/The_Empress_of_China

    The Empress of China (simplified Chinese: 武媚娘传奇; traditional Chinese: 武媚娘傳奇; pinyin: Wǔ Mèiniáng chuánqí) is a 2014 Chinese television series based on events in the 7th and 8th-century Tang dynasty, starring producer Fan Bingbing as the titular character Wu Zetian—the only female emperor (empress regnant) in Chinese history.

  9. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    A number of liberal arts colleges in the U.S. either do not issue grades at all (such as Alverno College, Antioch College, Bennington College, Evergreen State College, New College of Florida, and Hampshire College), de-emphasize them (St. John's College, Reed College, Sarah Lawrence College, Prescott College, College of the Atlantic), or do not ...