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  2. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    But every number, including π, can be represented by an infinite series of nested fractions, called a continued fraction: = + + + + + + + + Truncating the continued fraction at any point yields a rational approximation for π ; the first four of these are 3 , ⁠ 22 / 7 ⁠ , ⁠ 333 / 106 ⁠ , and ⁠ 355 / 113 ⁠ .

  3. LGBT demographics of the United States - Wikipedia

    en.wikipedia.org/wiki/LGBT_demographics_of_the...

    The Public Religion Research Institute (PRRI) survey of 2,314 millennials found that 88% identified as heterosexual, 4% as bisexual, 2% as gay, and 1% as lesbian. In a separate question, 1% identified as transgender. In total, 7% of millennials identified as LGBT. Three percent refused to identify their sexual orientation.

  4. Cohn process - Wikipedia

    en.wikipedia.org/wiki/Cohn_process

    Fraction V is precipitated at pH 4.8. Fractions I, II, III, and IV are coprecipitated at 40% ethanol, with pH of 5.4 to 7.0, and temperature −3 to −7 degrees C. Fraction V is then precipitated at pH 4.8 and −10 degrees C. The high yields are due to a combination of a simplified process, with lower losses due to coprecipitation, and use of ...

  5. Square (algebra) - Wikipedia

    en.wikipedia.org/wiki/Square_(algebra)

    Square (algebra) 5⋅5, or 52 (5 squared), can be shown graphically using a square. Each block represents one unit, 1⋅1, and the entire square represents 5⋅5, or the area of the square. In mathematics, a square is the result of multiplying a number by itself. The verb "to square" is used to denote this operation.

  6. Octagonal prism - Wikipedia

    en.wikipedia.org/wiki/Octagonal_prism

    4.4.8. In geometry, the octagonal prism is a prism comprising eight rectangular sides joining two regular octagon caps.

  7. List of countries with highest military expenditures - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_with...

    The first list is based on the Stockholm International Peace Research Institute (SIPRI) fact sheet, which includes a list of the world's top 40 military spenders as of 2023, based on current market exchange rates.

  8. Practical number - Wikipedia

    en.wikipedia.org/wiki/Practical_number

    Demonstration of the practicality of the number 12. In number theory, a practical number or panarithmic number [1] is a positive integer such that all smaller positive integers can be represented as sums of distinct divisors of . For example, 12 is a practical number because all the numbers from 1 to 11 can be expressed as sums of its divisors ...

  9. List of colleges and universities in the United States by ...

    en.wikipedia.org/wiki/List_of_colleges_and...

    Harvard University, with a $49.495 billion endowment as of FY2023, is the wealthiest university in the world.. Many colleges and universities in the United States maintain a financial endowment consisting of assets that are invested in financial securities, real estate, and other instruments.