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The square root of 3 is the positive real number that, when multiplied by itself, gives the number 3. It is denoted mathematically as 3 {\textstyle {\sqrt {3}}} or 3 1 / 2 {\displaystyle 3^{1/2}} . It is more precisely called the principal square root of 3 to distinguish it from the negative number with the same property.
In the empirical sciences, the so-called three-sigma rule of thumb (or 3 σ rule) expresses a conventional heuristic that nearly all values are taken to lie within three standard deviations of the mean, and thus it is empirically useful to treat 99.7% probability as near certainty.
When doing quick estimates, 3 is a rough approximation of π, 3.1415..., and a very rough approximation of e, 2.71828... 3 is the first Mersenne prime , as well as the second Mersenne prime exponent and the second double Mersenne prime exponent , for 7 and 127 , respectively. 3 is also the first of five known Fermat primes , which include 5, 17 ...
Andrea Pasinetti was out of town when he got the call when a wildfire broke out in Pacific Palisades, where his home and three dogs were. CBS News' Jonathan Vigliotti was reporting nearby.
Police officers, firefighters, nurses, postal workers, public school teachers and government employees are among the nearly 3 million public sector workers affected by the provisions.
One mom dog who survived being shot four times shortly after giving birth to 11 puppies is making a miraculous recovery thanks to the kindness of generous donors.
On 30 March 2021, President Joko Widodo submitted a Presidential Letter to People's Representative Council, which contained a proposal for major changes in the national cabinet, one of which was the merger of the Ministry of Research and Technology and the Ministry of Education and Culture into one ministry named the Ministry of Education, Culture, Research, and Technology.
Zhuric Phelps and Pharrel Payne each scored 16 points Saturday to lead No. 17 Texas A&M past No. 11 Purdue 70-66 in the first of two games at the Indy Classic. The Aggies (9-2) have won five straight.