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The number π (/ paɪ /; spelled out as " pi ") is a mathematical constant that is the ratio of a circle 's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics.
A googol is the large number 10 100 or ten to the power of one hundred. In decimal notation, it is written as the digit 1 followed by one hundred zeroes: 10, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000.
Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself.
IAAF-ratified world record progression for the men's 100 m. In 1977 the IAAF began requiring fully automatic timing, accounting for both the increase in measured times and the decrease in measurement error. The first record in the 100 metres for men (athletics) was recognised by the International Amateur Athletics Federation, now ...
Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects: Commons Free media repository. MediaWiki Wiki software development. Meta-Wiki Wikimedia project coordination. Wikibooks Free textbooks and manuals.
The following table lists the five municipalities (municipios) of Puerto Rico with a population greater than 100,000 on July 1, 2023, as estimated by the United States Census Bureau. If Puerto Rico were included with the broader U.S. list, San Juan would be the 58th largest city in the country.
Four presidents died in office of natural causes (William Henry Harrison, Zachary Taylor, Warren G. Harding, and Franklin D. Roosevelt), four were assassinated (Abraham Lincoln, James A. Garfield, William McKinley, and John F. Kennedy), and one resigned (Richard Nixon, facing impeachment and removal from office). [ 9 ]
