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Unit Conversion: 15 years to seconds?-How?
 

Unit Conversion: 15 years to seconds?-How?
by Chemstruggler on 01/19/03 at 08:21:55

How do you convert 15 years to seconds so that you get an answer with 3 significant figures? ???


Re: Unit Conversion: 15 years to seconds?-How?
by MWeed on 01/22/03 at 09:50:15

from the coversion script i got
[i]15 year = 473,040,000 second[/i]
so to get the sig fig you just take the first 3 most significant digits 473 and rount it there. because a 0 is following the 3 you'll be rounding down. so yopu get 4.73x10[sup]8[/sup] or 473000000


Re: Unit Conversion: 15 years to seconds?-How?
by Robert Fogt on 01/26/03 at 03:15:11

If you wanted to work it out.....

15 years * 365 = days * 24 = hours * 60 = minutes * 60 = seconds.
15 * 365 * 24 * 60 * 60 = 473,040,000 seconds

Since every 4 years is a leap year, you could also add 3 days to that. (15/4 rounded down)
3 * 24 * 60 * 60 = 259,200 seconds

473,040,000 + 259,200 = 473,299,200

Not sure what you mean by 3 significant figures, so just follow MWeed.


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