July 16th, 2012, 11:35 PM  #41 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Geometric series ques
Separately 1 and 2 have the same value in both bases, but 12 does not, since the 1 represents different things.

July 16th, 2012, 11:51 PM  #42 
Math Team Joined: Jul 2011 From: North America, 42nd parallel Posts: 3,372 Thanks: 233  Re: Geometric series ques
First, thank you for your posts, i have taken too much of your time, please forgive me.. Now, let me see if i finally got it.. in base 8, the fraction as a decimal in base 8. in base 10, the fraction as a decimal in base 10. Although 0.4 does not equal 0.5...1/2 = 1/2 in both bases. 
July 17th, 2012, 12:07 AM  #43 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Geometric series ques
I have enjoyed it, and if I didn't have the time, I would get to it when I did, so no worries! Yes 0.4 in base 8 is equal to 0.5 in base 10, since both are 1/2. And 4 in base 8 is the same as 4 in base 10: whereas 40 in base 8 is not equal to 40 in base 10: 

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geometric, ques, series 
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