Burt Kaliski Jr. (@modulomathy)

3/11/12 6:02 PM

#math trivia for #March11: #71 is closest integer to sqrt(5000) — average 2 weeks per thousand. What’s the average for the next five?

The “next five” here refers to the next five thousand, and the question is asking for the average number of weeks per thousand from sqrt(5000) to sqrt(10000). That’s a difference of 100-71, or 29 days, which is 5.8 days per thousand, or about 4/5 of a week. The square roots are arriving more quickly!

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