Sig Figs


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Sig Figs

Postby divya_devineni_2E » Tue Jan 31, 2017 8:40 pm

For determine the amount of sig figs we use for our answer, do we go with the least amount of sig figs from the numbers in the problem or the most amount of sig figs?

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Re: Sig Figs

Postby Thomas_Rodriguez_3G » Tue Jan 31, 2017 9:09 pm

I'd def go least. Conventions dictate that the least accurately known number be reflected in the accuracy of the answer.

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Re: Sig Figs

Postby Hannah_El-Sabrout_2K » Tue Jan 31, 2017 9:24 pm

It's least because the whole point of sig figs is to maintain accuracy. The reason you go with the lowest sig figs is because for that number you are not sure about the other digits after it (ex. 4.5, you don't know what comes after the 5 --- it might be 4.5006), so you can't be sure about the accuracy of your answer if you go with the most sig figs.

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Re: Sig Figs

Postby Mirian_Garcia_2G » Tue Jan 31, 2017 10:14 pm

You use the least number of sig figs found in the numbers in the problem.

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