Guest Posted August 27, 2007 Report Share Posted August 27, 2007 Or is .9999... equal to 1? Quote Link to comment Share on other sites More sharing options...
0 Guest Posted August 27, 2007 Report Share Posted August 27, 2007 is it .001? Quote Link to comment Share on other sites More sharing options...
0 Guest Posted August 28, 2007 Report Share Posted August 28, 2007 is it .001? Nope. That would be a number greater than one. Quote Link to comment Share on other sites More sharing options...
0 unreality Posted August 30, 2007 Report Share Posted August 30, 2007 Or is .9999 equal to 1? depends how you look at it: view 1) .99999999 ? 1 duh! view 2) look at it this way: what is 1 - 0.9999999999999* ??? It would be: 0.0000000000000*1 But the 1 can never exist, there can never be an end, it is infinite so 1 - 0.9999999999999* is equal to: 0.000000000000000000000000000000000000*************** 1=1 i think so. Either that or a new level above infinity has to be created for the 1 to go (like this: 0?1) or something Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 2, 2008 Report Share Posted June 2, 2008 it's .0001 Quote Link to comment Share on other sites More sharing options...
0 akaslickster Posted June 2, 2008 Report Share Posted June 2, 2008 Or is .9999 equal to 1? Absolutely, 1=1 . Rounding off is a whole different method. It is as close as can be but, without rounding it off to 1, I still believe it is just a hair shy of 1. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 2, 2008 Report Share Posted June 2, 2008 it's .0001 Nope. I'm guessing you're resurrecting this thread because you read through this thread. Did you check out the links I provided? http://mathforum.org/library/drmath/view/55746.html http://mathforum.org/library/drmath/view/55748.html http://mathforum.org/dr.math/faq/faq.0.9999.html .999... = 1 any number added to it will be over 1. .999... is greater than .99999 If you add .0001 to .99999 you will have a number greater than 1, so obviously you will have a number greater than 1 if you add .0001 to .99999... That number will be 1.0001 Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 2, 2008 Report Share Posted June 2, 2008 Absolutely, 1=1 . Rounding off is a whole different method. It is as close as can be but, without rounding it off to 1, I still believe it is just a hair shy of 1. Nope. Not a hair shy. Check out the links. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 2, 2008 Report Share Posted June 2, 2008 it's .0001 Sorry, Thuhchris. The OP should have read "Or is .9999... equal to 1?". I edited it just now. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 Sorry, Thuhchris. The OP should have read "Or is .9999... equal to 1?". I edited it just now. oh gottcha Quote Link to comment Share on other sites More sharing options...
0 akaslickster Posted June 3, 2008 Report Share Posted June 3, 2008 I read all the links. I just never needed to learn anything as such. That should be the first question given on a test for a potential CPA. It just may change many minds, and be interesting to see the answers. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 Yes I read about it a long back somewhere at the archimedes-lab pages. There is no need to round off 0.9999... to get 1, it is exactly equal to one. or in other words, writing 0.9999.... is just another way of writing one. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 7, 2008 Report Share Posted June 7, 2008 (edited) Here's an easy way to think about it. 1/9 = .11111... 9 * 1/9 = .9999999... 9/9 = 1 1 = .999999... My math teacher taught us this. Edited June 7, 2008 by Frost Quote Link to comment Share on other sites More sharing options...
0 unreality Posted June 7, 2008 Report Share Posted June 7, 2008 (edited) Yeah, that's one way. I think of it like this: What is 1 - 0.99999...? Look at these first: 1 - 0.9 = 0.1 1 - 0.99 = 0.01 1 - 0.999 = 0.001 1 - 0.9999 = 0.0001 etc for an infinite number of 9's, the 0's go on forever. There is no difference with a bunch of 0's and then a 1 1 - 0.999999999... = 0 thus 1 = 1 Edited June 7, 2008 by unreality Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 7, 2008 Report Share Posted June 7, 2008 I love all this repeating number stuff! Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 10, 2008 Report Share Posted June 10, 2008 (edited) I didn't know you meant it was repeated forever. becuase if it wasn't, then it would be possible. EDIT: Typo Edited June 10, 2008 by Thuhchris Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 10, 2008 Report Share Posted June 10, 2008 I got it...It's one decimal digit away from 1. Quote Link to comment Share on other sites More sharing options...
0 unreality Posted June 13, 2008 Report Share Posted June 13, 2008 (edited) another proof of it equalling 1 that I just thought of: 1/3 = .333333333etc 2/3 = .666666666etc we know that 1/3 + 2/3 is 3/3, or 1 we also know that .33333etc + .66666etc = .999999etc therefore .9999999etc must equal 1 Edited June 13, 2008 by unreality Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 13, 2008 Report Share Posted June 13, 2008 in a sense, you're right but it's pretty much impossible for 1/3 to be put as a decimal or percent but this is as close as you'll get Quote Link to comment Share on other sites More sharing options...
0 unreality Posted June 13, 2008 Report Share Posted June 13, 2008 1/3 = .3333333repeating there's no "close"ness, they are exactly equal. Since 1/3 * 3 = 1 .333333repeating * 3 = .999999repeating = 1 Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 13, 2008 Report Share Posted June 13, 2008 .9 repeating to infinite is exactly equal to 1. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 13, 2008 Report Share Posted June 13, 2008 but I just don't see it the difference between .999... and 1, is infinitely minute and 1 and 1 have no difference there's a difference between infinitely minute, and no difference so they aren't equal Quote Link to comment Share on other sites More sharing options...
0 unreality Posted June 14, 2008 Report Share Posted June 14, 2008 they are equal ;D as this site puts it: Sorry, It Does lol http://polymathematics.typepad.com/polymat..._sorry_it_.html Quote Link to comment Share on other sites More sharing options...
Question
Guest
Or is .9999... equal to 1?
Link to comment
Share on other sites
22 answers to this question
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.