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  2. Significant figures - Wikipedia

    en.wikipedia.org/wiki/Significant_figures

    Similarly, in the case of 0.056 m, there are two insignificant leading zeros since 0.056 m is the same as 56 mm, thus the leading zeros do not contribute to the length indication. Trailing zeros when they serve as placeholders. In the measurement 1500 m, when the measurement resolution is 100 m, the trailing zeros are insignificant as they ...

  3. Statue of Liberty - Wikipedia

    en.wikipedia.org/wiki/Statue_of_Liberty

    34 m Height of hand: 16 ft 5 in: 5 m Index finger: 8 ft 1 in: 2.44 m Circumference at second joint: 3 ft 6 in: 1.07 m Head from chin to cranium: 17 ft 3 in: 5.26 m Head thickness from ear to ear: 10 ft 0 in: 3.05 m Distance across the eye: 2 ft 6 in: 0.76 m Length of nose: 4 ft 6 in: 1.48 m Right arm length: 42 ft 0 in: 12.8 m Right arm ...

  4. List of exceptional asteroids - Wikipedia

    en.wikipedia.org/wiki/List_of_exceptional_asteroids

    Deconvolved with MISTRAL algorithm. Main-belt asteroids > 200 km that were not imaged are (451) Patientia, (65) Cybele and (107) Camilla. Trojan (624) Hektor may also be in this size range. VLT/SPHERE images of a large number of asteroids 100 to 210 km in diameter, to scale. (10) Hygiea, (31) Euphrosyne and (8) Flora have collisional families ...

  5. Skewness - Wikipedia

    en.wikipedia.org/wiki/Skewness

    In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real -valued random variable about its mean. The skewness value can be positive, zero, negative, or undefined. For a unimodal distribution (a distribution with a single peak), negative skew commonly indicates that the tail is on the ...

  6. Presidential system - Wikipedia

    en.wikipedia.org/wiki/Presidential_system

    v. t. e. A presidential system, or single executive system, is a form of government in which a head of government, typically with the title of president, leads an executive branch that is separate from the legislative branch in systems that use separation of powers. This system was first introduced in the United States.

  7. Letter frequency - Wikipedia

    en.wikipedia.org/wiki/Letter_frequency

    The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. 801–873 AD), who formally developed the method (the ciphers breakable by this technique go ...

  8. List of exoplanets discovered in 2024 - Wikipedia

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

    This list of exoplanets discovered in 2024 is a list of confirmed exoplanets that were first reported in 2024. For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information. Temp. (K) Host star temp.

  9. Serpentinite - Wikipedia

    en.wikipedia.org/wiki/Serpentinite

    Tightly folded serpentinite from the Tux Alps, Austria. Closeup view about 30 cm × 20 cm (12 in × 8 in). Serpentinite is a metamorphic rock composed predominantly of serpentine group minerals formed by serpentinization of mafic or ultramafic rocks. The ancient origin of the name is uncertain, it may be from the similarity of its texture or ...