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A clever way to estimate enormous numbers - Michael Mitchell

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Published on Sep 12, 2012

View the full lesson here: http://ed.ted.com/lessons/michael-mit...

Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: "How many piano tuners are there in Chicago?" Physicist Enrico Fermi was very good at problems like these -- learn how he used the power of 10 to make amazingly fast estimations of big numbers.

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