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  2. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    In terms of partition, 20 / 5 means the size of each of 5 parts into which a set of size 20 is divided. For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is ...

  3. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    In general, if an increase of x percent is followed by a decrease of x percent, and the initial amount was p, the final amount is p (1 + 0.01 x)(1 − 0.01 x) = p (1 − (0.01 x) 2); hence the net change is an overall decrease by x percent of x percent (the square of the original percent change when expressed as a decimal number).

  4. Scientific notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_notation

    Any real number can be written in the form m × 10 ^ n in many ways: for example, 350 can be written as 3.5 × 10 2 or 35 × 10 1 or 350 × 10 0. In normalized scientific notation (called "standard form" in the United Kingdom), the exponent n is chosen so that the absolute value of m remains at least one but less than ten ( 1 ≤ | m | < 10 ).

  5. IEC 61000-3-2 - Wikipedia

    en.wikipedia.org/wiki/IEC_61000-3-2

    [1] The analog European standard is called EN 61000-3-2. Although the limit values shown below were taken from a previous edition (IEC 61000-3-2:2005+A1:2008+A2:2009), which is obsolete, they give a good impression of how electrical equipment is tested with the aim to reduce mains pollution, reduce transmission loss and mains voltage waveform ...

  6. Wealth distribution by country - Wikipedia

    en.wikipedia.org/wiki/Wealth_distribution_by_country

    5.17: 27.1: 34.39: 23.88: 33.67: Central and South America. Distribution of Wealth of Central and South American in the Year 2000. nation percent of world population

  7. List of Spanish provinces by life expectancy - Wikipedia

    en.wikipedia.org/wiki/List_of_Spanish_provinces...

    The Spanish capital region, Community of Madrid, has the highest life expectancy for women in Europe (88.2 years); this is followed by five other Spanish regions: Navarre (87.6 years), Castile and León (87.5 years), Cantabria (87.1 years), Galicia (87.0 years) and the Basque Country (87.0 years). Furthermore, Community of Madrid is second and ...

  8. List of Asian countries by life expectancy - Wikipedia

    en.wikipedia.org/wiki/List_of_Asian_countries_by...

    Estimation of the World Bank Group for 2022. [2] [3] [4] The data is filtered according to the list of countries in Asia.The values in the World Bank Group tables are rounded

  9. List of countries by unemployment rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Unemployment rate (2021) [1] This is a list of countries by unemployment rate.Methods of calculation and presentation of unemployment rate vary from country to country. Some countries count insured unemployed only, some count those in receipt of welfare benefit only, some count the disabled and other permanently unemployable people, some countries count those who choose (and are financially ...