How many seconds are there in a year?

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How many seconds are there in a year?

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Answer 1 · 2016-03-24T12:49:16

There are 31,536,000 seconds in a year.

Explanation:

This is just a series of conversion factors.

1 year $= \frac{365 days}{1 year} \times \frac{24 hrs}{1 day} \times \frac{60 min}{1 hr} \times \frac{60 sec}{1 min}$ $=(365 " days")/(1 " year")xx(24 " hrs")/(1 " day")xx(60 " min")/(1 " hr")xx(60 " sec")/(1 " min")$

You can see the all terms cancel except seconds (numerator) and year (denominator).

Plugging into a calculator, $365 \times 24 \times 60 \times 60 = 31, 536, 000$ $365xx24xx60xx60=31,536,000$

So the answer is that there are 31,536,000 seconds in a year.

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How many seconds are there in a year?

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