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02-09-2017
Physics

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Give an order-of-magnitude estimate for the time in seconds of a year

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15-09-2017

We all know that there are 365 days in a year, 24 hours in a day, 60 minutes in an hour and lastly 60 seconds in a minute. Round that off to 100, 10, 100 and 100.That will be 10^2 x 10^2 x 10^1 x 10^2 = 10^7 seconds.

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