ANSWERS: 17
  • 3.416789
  • 3.14159, but I only use 3.14 when I calculate a circumference.
  • 3. Just the first number. They claim some computer did that to like a million places after the decimal point. Just an opinion, but it would seem that a million places after a decimal point in a immeasurable. Even a billionth of an inch would seem not to matter if it were off by one in either direction.
  • I know it as 3.1416 (and I know it's rounded up to 6 but I don't know what past the 5)
  • 3.14... pathetic, I know!
  • I know the first 19 digits of PI. As far as I know abut the first 25 digits are so precise that when calculating the circumference of the known universe, the mistake will be about the size of a particle. Have you known that theory?
    • Jewels Vern
      "Known universe" is a sloppy slang expression. Almost nothing is known about anything off the Earth, and very little on it. If you look at something from two positions it appears to shift by some angle depending an how far away it is and the length of your baseline. If you look from opposite sides of the Earth's orbit, that is the longest baseline we have, and accurate measurements can be made out to about 3200 light years. Beyond that we are guessing. Highly scientific guessing, but guessing all the same. That is why when you try to look up the biggest stars, the figures get very uncertain beyond 3200 light years. But people casually assume that everything out to a hunnerd billion light-years is "the known universe".
  • How is about 22/7?
  • I know them all, but I have no luck at getting them in the right order :)
  • 3.1428 by heart. 3.1428571428571428571428571428571 by peekin' over at the other dude's paper and cheatin'. Hey, it got me through 8th Grade, didn't it? :-) Now I'm trying to recall the last time, first time, I NEEDED to know any of that?!? I'm drawing a total blank! +5
  • 3.141592653589793238462643383279502884197169399375105820 9749445923078164062862089986280348256421170679 I'm pretty sure that's right. I've known this for a few years now. I won a contest in 7th grade by reciting this! :)
  • 3.1416...is that right? ;)
  • 3.14159 is all I remember.
  • i commonly use 3.1416
  • I know about 60 3.14159265358979323846264338327950288419716939937510 5820974944 ?
  • used to be 25 or 30, but today apparently it's only 18
  • 3.14159265
  • 3.1416, but i usually only use 3.14---or 22/7 since it is actually more accurate. As to the advantage or value of of using more numbers to the right of the decimal place, you can read more here: https://blogs.scientificamerican.com/observations/how-much-pi-do-you-need/

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