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  2. Fourth power - Wikipedia

    en.wikipedia.org/wiki/Fourth_power

    Fourth power. In arithmetic and algebra, the fourth power of a number n is the result of multiplying four instances of n together. So: n4 = n × n × n × n. Fourth powers are also formed by multiplying a number by its cube. Furthermore, they are squares of squares. Some people refer to n4 as n “ tesseracted ”, “ hypercubed ...

  3. Exponentiation - Wikipedia

    en.wikipedia.org/wiki/Exponentiation

    The term power (Latin: potentia, potestas, dignitas) is a mistranslation [4] [5] of the ancient Greek δύναμις (dúnamis, here: "amplification" [4]) used by the Greek mathematician Euclid for the square of a line, [6] following Hippocrates of Chios. [7]

  4. Fourth Estate - Wikipedia

    en.wikipedia.org/wiki/Fourth_Estate

    The term Fourth Estate or fourth power refers to the press and news media both in explicit capacity of advocacy and implicit ability to frame political issues. [ 1 ] The derivation of the term arises from the traditional European concept of the three estates of the realm: the clergy, the nobility, and the commoners.

  5. Stefan–Boltzmann law - Wikipedia

    en.wikipedia.org/wiki/Stefan–Boltzmann_law

    For an ideal absorber/emitter or black body, the Stefan–Boltzmann law states that the total energy radiated per unit surface area per unit time (also known as the radiant exitance) is directly proportional to the fourth power of the black body's temperature, T: The constant of proportionality, , is called the Stefan–Boltzmann constant.

  6. 256 (number) - Wikipedia

    en.wikipedia.org/wiki/256_(number)

    256 is a composite number, with the factorization 256 = 2 8, which makes it a power of two. 256 is 4 raised to the 4th power, so in tetration notation, 256 is 2 4. [1] 256 is a perfect square (16 2). 256 is the only 3-digit number that is zenzizenzizenzic. It is 2 to the 8th power or. 256 is the lowest number that is a product of eight prime ...

  7. End-Stage COPD (Stage IV): Symptoms, Treatments, Prognosis

    www.webmd.com/lung/copd/stage-iv-very-severe-copd

    End-stage, or stage IV, COPD is the final stage of chronic obstructive pulmonary disease. Most people reach it after years of living with the disease and the lung damage it causes. As a result ...

  8. Fourth power law - Wikipedia

    en.wikipedia.org/wiki/Fourth_power_law

    Fourth power law. The fourth power law (also known as the fourth power rule) states that the greater the axle load of a vehicle, the stress on the road caused by the motor vehicle increases in proportion to the fourth power of the axle load. This law was discovered in the course of a series of scientific experiments in the United States in the ...

  9. Euler's sum of powers conjecture - Wikipedia

    en.wikipedia.org/wiki/Euler's_sum_of_powers...

    Euler was aware of the equality 59 4 + 158 4 = 133 4 + 134 4 involving sums of four fourth powers; this, however, is not a counterexample because no term is isolated on one side of the equation. He also provided a complete solution to the four cubes problem as in Plato's number 3 3 + 4 3 + 5 3 = 6 3 or the taxicab number 1729.