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  2. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    The lowest grade is 2.00; grades below 3.00 are failing grades, and the highest is 6.00. ... If the grade would be a 5.49 and one decimal is used, the 5.49 will be a ...

  3. Nines (notation) - Wikipedia

    en.wikipedia.org/wiki/Nines_(notation)

    The purity of a gas is generally expressed as a grade prefixed with the letter N (rather than postfixed), indicating the "number of nines" in the percentage or decimal fraction. For example, a N2.0 gas is 99% (two nines) pure and 1% impurities by volume; a N6.0 gas is 99.9999% (six nines) pure, with 1 part per million (1 ppm or 1 vpm, volume ...

  4. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Visualization of powers of two from 1 to 1024 (2 0 to 2 10) as base-2 Dienes blocks. A power of two is a number of the form 2 n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent.

  5. College admissions in the United States - Wikipedia

    en.wikipedia.org/wiki/College_admissions_in_the...

    Advisors Mamlet and VanDeVelde suggest that students proactively try to explain an unusual grade, such as a low grade in a core course. [140] There are online databases available to help students write cogent essays. [141]

  6. Elections in Australia - Wikipedia

    en.wikipedia.org/wiki/Elections_in_Australia

    The Parliament of South Australia is a bicameral legislature. The House of Assembly (lower house) comprises 47 members elected by full preferential voting every 4 years from single member electorates.

  7. Dark energy - Wikipedia

    en.wikipedia.org/wiki/Dark_energy

    In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on the largest scales. Its primary effect is to drive the accelerating expansion of the universe.

  8. Dark matter - Wikipedia

    en.wikipedia.org/wiki/Dark_matter

    However the detected fluxes were too low and did not have the expected energy spectrum, suggesting that tiny primordial black holes are not widespread enough to account for dark matter. [111] Nonetheless, research and theories proposing dense dark matter accounts for dark matter continue as of 2018, including approaches to dark matter cooling ...

  9. Isaac Asimov - Wikipedia

    en.wikipedia.org/wiki/Isaac_Asimov

    Isaac Asimov (/ ˈ æ z ɪ m ɒ v / AZ-ih-mov; [b] c. January 2, 1920 [a] – April 6, 1992) was an American writer and professor of biochemistry at Boston University.During his lifetime, Asimov was considered one of the "Big Three" science fiction writers, along with Robert A. Heinlein and Arthur C. Clarke. [2]