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  2. Division (mathematics) - Wikipedia

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

    For example, 26 cannot be divided by 11 to give an integer. Such a case uses one of five approaches: Say that 26 cannot be divided by 11; division becomes a partial function. Give an approximate answer as a floating-point number. This is the approach usually taken in numerical computation.

  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. List of countries by suicide rate - Wikipedia

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

    For example, the ratio in the United States was 3.36 in 2015, and 3.53 in 2016. [ 16 ] [ a ] Though age-standardization is common statistical process to categorize mortality data for comparing purposes, this approach by WHO is based on estimates which take into account issues such as under-reporting, resulting in rates differing from the ...

  5. List of countries by government budget - Wikipedia

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

    Global map of total central government revenues, as share of GDP, 2022 [1] Global map of total central government expenditures, as share of GDP, 2022 [2]. This is the list of countries by government budget.

  6. Human population projections - Wikipedia

    en.wikipedia.org/wiki/Human_population_projections

    Of the additional 1.9 billion people projected between 2020 and 2050, 1.2 billion will be added in Africa, 0.7 billion in Asia and zero in the rest of the world. Africa's share of global population is projected to grow from 17% in 2020 to 25% in 2050 and 38% by 2100, while the share of Asia will fall from 60% in 2020 to 55% in 2050 and 45% in 2100.

  7. Spectral efficiency - Wikipedia

    en.wikipedia.org/wiki/Spectral_efficiency

    Spread spectrum makes it possible to have as low a frequency reuse factor as 1, if each base station is divided into 3 cells by means of 3 directional sector antennas. This corresponds to a system spectrum efficiency of over 1 × 100 × 0.0017 = 0.17 (bit/s)/Hz per site , and 0.17/3 = 0.06 (bit/s)/Hz per cell or sector .

  8. List of North American countries by life expectancy - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    0.6: 1.8: 18.3: 17.5: 19.1: 1.6: ... Open the original chart and hover over chart elements. The squares of bubbles are proportional to population according to ...

  9. List of countries by number of languages - Wikipedia

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

    Country or territory Number of living languages Number of speakers Established Immigrant Total Percent [note 1]Total Mean Median Papua New Guinea 840 0 840 11.81 ...