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army1987 comments on Open thread, July 21-27, 2014 - Less Wrong Discussion

4 Post author: polymathwannabe 21 July 2014 01:15PM

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Comment author: gjm 21 July 2014 11:22:50PM 5 points [-]

extra credit for finding the math error in the second article.

Well, near the start it refers to "an exponential growth of 3 per cent per year, or multiplying by about 10 every 100 years" when in fact 1.03^100 is about 19. At which point I have little confidence that that's the mathematical error; it suggests a level of sloppiness likely to produce others.

Comment author: [deleted] 22 July 2014 07:21:08PM 2 points [-]

<not serious>Clearly the 3% and 10 figures are given to within one significant digit each. 1.026^100 = 13.02</not serious>