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  2. Order of magnitude - Wikipedia

    en.wikipedia.org/wiki/Order_of_magnitude

    If numbers differ by one order of magnitude, x is about ten times different in quantity than y. If values differ by two orders of magnitude, they differ by a factor of about 100. Two numbers of the same order of magnitude have roughly the same scale: the larger value is less than ten times the smaller value.

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    Greatest mileage ever recorded by a car (3.2 million miles by a 1966 Volvo P-1800S) [38] 10 10: 10 Gm: 18 Gm Approximately one light-minute: 10 11: 100 Gm: 150 Gm 1 astronomical unit (au); mean distance between Earth and Sun 10 12: 1 terameter (Tm) 1.3 Tm Optical diameter of Betelgeuse: 1.4 Tm Orbital distance of Saturn from Sun 2 Tm

  4. Hughes OH-6 Cayuse - Wikipedia

    en.wikipedia.org/wiki/Hughes_OH-6_Cayuse

    The OH-6A helicopters used for transporting personnel became the MH-6 aircraft of the Light Assault Company and the armed OH-6As became the AH-6 aircraft of the Light Attack Company. On 1 October 1986, to help meet the increasing demands for support, the 1-245th Aviation Battalion from the Oklahoma National Guard, which had 25 AH-6 and 23 UH-1 ...

  5. Orders of magnitude (numbers) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(numbers)

    Mathematics – Bases: 9,439,829,801,208,141,318 (≈9.44 × 10 18) is the 10th and (by conjecture) largest number with more than one digit that can be written from base 2 to base 18 using only the digits 0 to 9, meaning the digits for 10 to 17 are not needed in bases greater than 10.

  6. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    The decay time for a supermassive black hole of roughly 1 galaxy-mass (10 11 solar masses) due to Hawking radiation is on the order of 10 100 years. [7] Therefore, the heat death of an expanding universe is lower-bounded to occur at least one googol years in the future. A googol is considerably smaller than a centillion. [8]

  7. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    Traditional British usage assigned new names for each power of one million (the long scale): 1,000,000 = 1 million; 1,000,000 2 = 1 billion; 1,000,000 3 = 1 trillion; and so on. It was adapted from French usage, and is similar to the system that was documented or invented by Chuquet .

  8. ‘Helicopter parents’ are more common than you think, poll ...

    www.aol.com/news/helicopter-parents-more-common...

    Again, the number of parents who let their child do a variety of independent activities was much lower: 58% said they let their child stay home by themselves for between 30 and 60 minutes

  9. Helicopter - Wikipedia

    en.wikipedia.org/wiki/Helicopter

    In 2017, 926 civil helicopters were shipped for $3.68 billion, led by Airbus Helicopters with $1.87 billion for 369 rotorcraft, Leonardo Helicopters with $806 million for 102 (first three-quarters only), Bell Helicopter with $696 million for 132, then Robinson Helicopter with $161 million for 305.