Thursday, December 24, 2015

rational numbers - How can I explain 0.999ldots=1?





I have to explain 0.999=1 to people who don't know limit.


How can I explain 0.999=1?


The common procedure is as follows


x=0.99910x=9.999


9x=9 so x=1.



Answer



What I always find the most simple explanation is: 13=0.3331=313=30.333=0.999


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