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 Fortieth logs (Posted on 2011-05-31)
It turns out that the common logarithms of each of the numbers from 2 through 9 can be very well approximated by rational numbers of the form n/40.

Derive each of the numerators with no calculation aids beyond pencil and paper.

 See The Solution Submitted by Jer Rating: 4.5000 (2 votes)

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 Subject Author Date re(3): Who is right for 7?....DETAILS Ady TZIDON 2011-06-02 11:43:53 re(2): Who is right for 7?....DETAILS Gamer 2011-06-02 05:11:42 re(2): Closer number, closing remarks Ady TZIDON 2011-06-02 01:59:01 re: Closer number Steve Herman 2011-06-02 00:42:38 re(2): Who is right for 7? Ady TZIDON 2011-06-01 20:39:15 re: Who is right for 7?....DETAILS Ady TZIDON 2011-06-01 19:23:47 Answers from 2 to 9 Math Man 2011-06-01 19:05:31 Closer number Math Man 2011-06-01 19:01:51 re: Who is right for 7? JayDeeKay 2011-06-01 18:41:41 Who is right for 7? Jer 2011-06-01 15:08:08 Lucky 7 Steve Herman 2011-05-31 21:13:59 No Subject JayDeeKay 2011-05-31 17:57:15 re(2): A start (spoiler) Jer 2011-05-31 17:06:27 re: A start (spoiler) Charlie 2011-05-31 14:43:51 A start (spoiler) Steve Herman 2011-05-31 14:12:29
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