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A unit fraction is a common fraction with a numerator of 1 (e.g., 1 / 7 ). Unit fractions can also be expressed using negative exponents, as in 2 −1, which represents 1/2, and 2 −2, which represents 1/(2 2) or 1/4. A dyadic fraction is a common fraction in which the denominator is a power of two, e.g. 1 / 8 = 1 / 2 3 .
The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
[6] [9] Generally the tolerance of each final component gas fraction should be within +/-1% of the required fraction. Analysis instruments commonly used by recreational/technical diving gas blenders are typically capable of a resolution of 0.1% for both oxygen and helium.
Asian Americans had the highest educational attainment of any race, followed by whites who had a higher percentage of high school graduates but a lower percentage of college graduates. Persons identifying as Hispanic or Latino, without regard to race, had the lowest educational attainment. The gap was the largest between foreign-born Asian ...
Endemic corruption pervades Iraq's oil and gas sectors, which still accounts for more than 99 percent of the country's exports and 85 percent of the government's budget. [2] The Iraqi economy is predominantly a cash economy, making it almost impossible to trace the amount or the path the money follows.
When compared to other energy sources, nuclear power has one of the lowest death rates per unit of energy produced – 0.07 per TWh, as compared to over 32 per TWh in case of brown coal. [61] This figure is driven by a 2005 WHO projection of up to 4000 stochastic cancer deaths that could result from the Chernobyl disaster. [ 62 ]
In Switzerland, police registered a total of 432,000 offenses under the Criminal Code in 2019 (−0.2% compared with previous year), of which 110,140 or 25.5 percent were cases of thefts (excluding vehicles, −2.0%), and 41,944 or 9.7 percent were thefts of vehicles (including bicycles, −10.1%), 46 were killings and 161 were attempted murders.