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  2. National Science Bowl - Wikipedia

    en.wikipedia.org/wiki/National_Science_Bowl

    On short answer questions, if the answer given differs from the official one, the moderator uses his or her judgment to make a ruling (which is subject to a challenge by the competitors). On multiple choice questions, students may give the letter answer (W, X, Y, or Z) or the verbal answer.

  3. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.

  4. Wikipedia:Reference desk/Mathematics - Wikipedia

    en.wikipedia.org/.../Mathematics

    but none of these primes p has 2^p-1 is known to be prime, the status of 2^(2^89-1)-1 and 2^(2^107-1)-1 are still unknown (see double Mersenne number), but if at least one of them is prime, then will disprove this conjecture (none of the 52 known Mersenne primes are == 1 mod 2^61-1 or 2^127-1), I think that this conjecture may be as hard as the ...

  5. 1 + 2 + 3 + 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The infinite series whose terms are the natural numbers 1 + 2 + 3 ... are used in mathematics to assign numerical ... one of the most remarkable formulae in science ...

  6. Hilbert's problems - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_problems

    Of the cleanly formulated Hilbert problems, numbers 3, 7, 10, 14, 17, 18, 19, and 20 have resolutions that are accepted by consensus of the mathematical community. Problems 1, 2, 5, 6, [g] 9, 11, 12, 15, 21, and 22 have solutions that have partial acceptance, but there exists some controversy as to whether they resolve the problems.

  7. Tram derails and crashes into shop in Oslo injuring four - AOL

    www.aol.com/news/tram-crashes-store-central-oslo...

    OSLO (Reuters) -A tram derailed and crashed into a store in central Oslo on Tuesday, injuring the driver and at least three other people, Norwegian police said. The blue tram of the Oslo transport ...

  8. The Part 2 premiere was on Sunday, Nov. 10 and new episodes will drop on Sunday nights, according to Paramount. The final episode is scheduled to be released on Sunday, Dec. 15. How to watch ...

  9. Grimes Says She Didn't See One of Her Kids for 5 Months ... - AOL

    www.aol.com/lifestyle/grimes-says-she-didnt-see...

    The former couple is parents to sons X Æ A-Xii, 4, and Techno Mechanicus, 2, as well as daughter Exa Dark Sideræl, 3. ... Science & Tech. Shopping. Sports. Weather. 24/7 Help.