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  2. Josephus problem - Wikipedia

    en.wikipedia.org/wiki/Josephus_problem

    After the -th person is killed, a circle of remains, and the next count is started with the person whose number in the original problem was () +. The position of the survivor in the remaining circle would be f ( n − 1 , k ) {\displaystyle f(n-1,k)} if counting is started at 1 {\displaystyle 1} ; shifting this to account for the fact that the ...

  3. Orders of magnitude (length) - Wikipedia

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

    To help compare different orders of magnitude, this section lists some items with lengths between 106 and 105 m (between 1 and 10 micrometers, or μm). ~0.7–300 μm – wavelength of infrared radiation; 1 μm – the side of a square of area 10 −12 m 2; 1 μm – edge of cube of volume 10 −18 m 3 (1 fL)

  4. Bridge and torch problem - Wikipedia

    en.wikipedia.org/wiki/Bridge_and_torch_problem

    This is done by taking persons A, C, & D: C+A+D+A = 5+1+8+1=15. (Here we use A because we know that using A to cross both C and D separately is the most efficient.) But, the time has elapsed and person A and B are still on the starting side of the bridge and must cross. So it is not possible for the two slowest (C & D) to cross separately.

  5. Order of magnitude - Wikipedia

    en.wikipedia.org/wiki/Order_of_magnitude

    [contradictory] For example, the number 4 000 000 has a logarithm (in base 10) of 6.602; its order of magnitude is 6. When truncating, a number of this order of magnitude is between 10 6 and 10 7. In a similar example, with the phrase "seven-figure income", the order of magnitude is the number of figures minus one, so it is very easily ...

  6. Our DNA is 99.9 percent the same as the person sitting next ...

    www.aol.com/article/2016/05/06/our-dna-is-99-9...

    Our bodies have 3 billion genetic building blocks, or base pairs, that make us who we are. And of those 3 billion base pairs , only a tiny amount are unique to us, making us about 99.9% ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Account Management - AOL Help

    help.aol.com/products/my-account

    Account Management · Feb 6, 2025 Get help with your AOL billing questions Use this guide to get the info you need about AOL billing, including how to update your method of payment, how to view your bill and how to contact AOL if you have questions about your account.

  9. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    For 6/6 = 1.0 acuity, the size of a letter on the Snellen chart or Landolt C chart is a visual angle of 5 arc minutes (1 arc min = 1/60 of a degree), which is a 43 point font at 20 feet. [10] By the design of a typical optotype (like a Snellen E or a Landolt C), the critical gap that needs to be resolved is 1/5 this value, i.e., 1 arc min.