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  2. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    6 1 2 1 11 4 5 9. and would be written in modern notation as 6 ⁠ 1 / 4 ⁠, 11 / 5 ⁠, and 2 − ⁠ 1 / 9 ⁠ (i.e., 1 ⁠ 8 / 9 ⁠). The horizontal fraction bar is first attested in the work of Al-Hassār (fl. 1200), [35] a Muslim mathematician from Fez, Morocco, who specialized in Islamic inheritance jurisprudence.

  3. Xenon monochloride - Wikipedia

    en.wikipedia.org/wiki/Xenon_monochloride

    Xe(6p[3/2] 2) + HCl → Xe(6s[5/2] 2 0) + HCl with rate constant k a or k a = 4.3 × 10 −11 cm 3 s −1. This represents only 6% of the value of k Q from table 12 for the (6p[3/2] 2 ) state. As the proportions of exciplex synthesis is placed at 60%, one should conclude that there are other important competitive processes at play.

  4. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    For example, 1/2.5 converts to 2/5 as a simple fraction, or 0.4 as a decimal number. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor.

  5. Greenhouse effect - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_effect

    Most fluxes quoted in high-level discussions of climate are global values, which means they are the total flow of energy over the entire globe, divided by the surface area of the Earth, 5.1 × 10 14 m 2 (5.1 × 10 8 km 2; 2.0 × 10 8 sq mi). [45]

  6. Universe - Wikipedia

    en.wikipedia.org/wiki/Universe

    In the widely accepted ΛCDM cosmological model, dark matter accounts for about 25.8% ± 1.1% of the mass and energy in the universe while about 69.2% ± 1.2% is dark energy, a mysterious form of energy responsible for the acceleration of the expansion of the universe. [17] Ordinary ('baryonic') matter therefore composes only 4.84% ± 0.1% of ...

  7. Hyperinflation - Wikipedia

    en.wikipedia.org/wiki/Hyperinflation

    The Reserve Bank of Zimbabwe revalued on 1 August 2006 at a ratio of 1,000 ZWD to each second dollar (ZWN), but year-to-year inflation rose by June 2007 to 11,000% (versus an earlier estimate of 9,000%). Larger denominations were progressively issued in 2008: 5 May: banknotes or "bearer cheques" for the value of Z$100 million and Z$250 million.

  8. Ethnic groups in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Ethnic_groups_in_the...

    Traditional homelands of the Indigenous peoples of the Philippines Overview of the spread & overlap of languages spoken throughout the country as of March 2017. There are several opposing theories regarding the origins of ancient Filipinos, starting with the "Waves of Migration" hypothesis of H. Otley Beyer in 1948, which claimed that Filipinos were "Indonesians" and "Malays" who migrated to ...

  9. Gini coefficient - Wikipedia

    en.wikipedia.org/wiki/Gini_coefficient

    If there are no negative incomes, it is also equal to 2A and 1 − 2B due to the fact that A + B = 0.5. [23] Assuming non-negative income or wealth for all, the Gini coefficient's theoretical range is from 0 (total equality) to 1 (absolute inequality). This measure is often rendered as a percentage, spanning 0 to 100.