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  2. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Decimal fractions like 0.3 and 25.12 are a special type of rational numbers since their denominator is a power of 10. For instance, 0.3 is equal to , and 25.12 is equal to . [20] Every rational number corresponds to a finite or a repeating decimal. [21] [c]

  3. Effect size - Wikipedia

    en.wikipedia.org/wiki/Effect_size

    In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of one parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size ...

  4. Rule of 72 - Wikipedia

    en.wikipedia.org/wiki/Rule_of_72

    For higher rates, a larger numerator would be better (e.g., for 20%, using 76 to get 3.8 years would be only about 0.002 off, where using 72 to get 3.6 would be about 0.2 off). This is because, as above, the rule of 72 is only an approximation that is accurate for interest rates from 6% to 10%.

  5. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    The treatise also provides values of π, [106] which Chinese mathematicians originally approximated as 3 until Liu Xin (d. 23 AD) provided a figure of 3.1457 and subsequently Zhang Heng (78–139) approximated pi as 3.1724, [113] as well as 3.162 by taking the square root of 10.

  6. Obesity - Wikipedia

    en.wikipedia.org/wiki/Obesity

    The total annual direct cost of overweight and obesity in Australia in 2005 was A$21 billion. Overweight and obese Australians also received A$35.6 billion in government subsidies. [246] The estimated range for annual expenditures on diet products is $40 billion to $100 billion in the US alone. [247]

  7. Bulgarian Turks - Wikipedia

    en.wikipedia.org/wiki/Bulgarian_Turks

    3 Presuming an equal number of men and women, as suggested by Ubicini and Palairet, [45] the total population for 1860 is 1,348,499 people, divided into 510,744 Muslims and 810,900 Non-Muslims , whereas the total population for 1875 is 2,066,998, divided into 810,900 Muslims and 1,256,098 Non-Muslims .

  8. National debt of the United States - Wikipedia

    en.wikipedia.org/wiki/National_debt_of_the...

    Regarding estimates recorded in the GDP column (the last column) marked with a "~" symbol, absolute differences from advance (one month after) BEA reports of GDP percent change to current findings (as of November 2013) found in revisions are stated to be 1.3% ± 2.0% or a 95% probability of being within the range of 0.0–3.3%, assuming the ...

  9. List of enclaves and exclaves - Wikipedia

    en.wikipedia.org/wiki/List_of_enclaves_and_exclaves

    The islands of Anchor Cay, Aubusi Island, Black Rocks, Boigu Island (89.6 km 2), Bramble Cay (0.036 km 2), Dauan Island (4 km 2), Deliverance Island, East Cay, Kaumag Island, Kerr Islet, Moimi Island, Saibai Island (107.9 km 2), Turnagain Island (12 km 2) and Turu Cay, along with their territorial seas, form seven enclaves within the maritime ...