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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. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    For example, in duodecimal, ⁠ 1 / 2 ⁠ = 0.6, ⁠ 1 / 3 ⁠ = 0.4, ⁠ 1 / 4 ⁠ = 0.3 and ⁠ 1 / 6 ⁠ = 0.2 all terminate; ⁠ 1 / 5 ⁠ = 0. 2497 repeats with period length 4, in contrast with the equivalent decimal expansion of 0.2; ⁠ 1 / 7 ⁠ = 0. 186A35 has period 6 in duodecimal, just as it does in decimal. If b is an integer base ...

  4. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4] The parameters used are:

  5. List of exoplanets discovered in 2024 - Wikipedia

    en.wikipedia.org/wiki/List_of_exoplanets...

    23.6 +9.17.4: 0.87 30681 +18627.8 −9496.5: 22.1 +8.0 −4.9: imaging 214.9 ± 0.3 1.52 +0.28 −0.26: 7201 +142 −112 [57] May be a brown dwarf. Estimates of the mass vary from 13.8 M J to 30 +31 −12 M J. [58] HIP 47110 b 3 to 10 3 to 30 astrometry 126.2 0.98 ± 0.05 4529 [55] [56] HIP 67522 c: 0.731 +0.055 −0.057: 14.335 0.1235 915 ...

  6. Light-year - Wikipedia

    en.wikipedia.org/wiki/Light-year

    The Andromeda Galaxy is approximately 2.5 million light-years away. 3 × 10 6 ly: The Triangulum Galaxy , at about 3 million light-years away, is the most distant object visible to the naked eye. 5.9 × 10 7 ly: The nearest large galaxy cluster, the Virgo Cluster, is about 59 million light-years away. 1.5 × 10 8 – 2.5 × 10 8 ly

  7. Immigration and Nationality Act of 1965 - Wikipedia

    en.wikipedia.org/wiki/Immigration_and...

    The Immigration and Nationality Act of 1965, also known as the Hart–Celler Act and more recently as the 1965 Immigration Act, was a federal law passed by the 89th United States Congress and signed into law by President Lyndon B. Johnson. [1]

  8. List of Asian countries by life expectancy - Wikipedia

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

    -1.5: 7.1: 15.2: 15.4: 15.1-0.3: 1.3: 10.8: 11.2: 10.6-0.6: 0.6: Life expectancy and HALE in countries of Asia in 2019 [5] Elaboration by sex [5] Interactive chart of ...

  9. List of countries by government budget - Wikipedia

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

    A positive (+) number indicates that revenues exceeded expenditures (a budget surplus), while a negative (-) number indicates the reverse (a budget deficit). Normalizing the data, by dividing the budget balance by GDP, enables easy comparisons across countries and indicates whether a national government saves or borrows money.