TED-Ed

A clever way to estimate enormous numbers - Michael Mitchell

TV-PG
2012 • E46    Sep 12, 2012    10m
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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