## Why are sig figs important?

Jennifer Ma 1G
Posts: 31
Joined: Fri Apr 06, 2018 11:03 am

### Why are sig figs important?

I understand how the concept of significant figures work, but I just can't grasp why it is reiterated that we use them in chemistry related numbers. What is the purpose of significant figures?

nicknavejas1B
Posts: 37
Joined: Wed Nov 15, 2017 3:04 am
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### Re: Why are sig figs important?

Im sure there are other reasons for sig figs being important, but from what ive gotten they are significant when trying to decide the degree of uncertainty. They allow for more accurate measurements and answers. Hope this helps.

Valeria Viera 1B
Posts: 60
Joined: Fri Apr 06, 2018 11:05 am

### Re: Why are sig figs important?

I believe we use them to be as exact as possible. For example, when measuring grams of a compound, one might get different results depending in how they round (sig figs are important in rounding).
Other than using them in actual lab, I think we use them so we know how to deal with decimals (there can be numbers with a lot of decimal places so we need to know where to stop).

Lily Emerson 1I
Posts: 27
Joined: Fri Apr 06, 2018 11:02 am

### Re: Why are sig figs important?

I guess sig figs are used to just so that we have a system to base our calculations off of such that we'll all get the same answer as long as we do it correctly. It limits the variation in how frequently we round and to which decimal place, which i guess helps to keep answers consistent across the board.

Posts: 40
Joined: Fri Apr 06, 2018 11:02 am

### Re: Why are sig figs important?

I think sig figs are important when it comes down to math measurements.

Megan Phan 1K
Posts: 31
Joined: Fri Apr 06, 2018 11:04 am

### Re: Why are sig figs important?

Significant figures are important because it normalizes different data sets throughout calculations, because as you do more calculations the data becomes less precise. Therefore, significant figures allow for more precision.

Yitzchak Jacobson 1F
Posts: 31
Joined: Wed Nov 22, 2017 3:00 am

### Re: Why are sig figs important?

I believe significant figures are extremely important, and they will seem very essential as you continue to use them. The reason why sig figs are so important is because it allows your calculations to be more accurate which leads to a better answer overall. I honestly feel like they are pretty essential as I solve my chem problems, and I really hope it works for you :)

Sarai Ventura 1L
Posts: 30
Joined: Mon Apr 09, 2018 1:39 pm

### Re: Why are sig figs important?

I believe that sig figs are important in measurements because it allows to have a more accurate and precise calculation.They also let us know when it is okay to round.

004985802
Posts: 27
Joined: Fri Feb 02, 2018 3:00 am

### Re: Why are sig figs important?

sig figs are important because they retain the accuracy of your calculations so that differences in measurement or calculation which could be a result of error will not impact the accuracy of your final result

005006577
Posts: 6
Joined: Fri Apr 06, 2018 11:02 am

### Re: Why are sig figs important?

Significant figures are important because they allow us to keep track of the quality of measurements. Essentially, sig figs demonstrate how much to round, while also making sure that the answer is not more precise than our starting value. Sig figs help build accuracy and precision among answers because it limits the chance of bad data processing and most random events from occurring.

Ashwin Deena 1L
Posts: 29
Joined: Fri Apr 06, 2018 11:02 am

### Re: Why are sig figs important?

Sig figs tell us where to round in the context of the problem. For example, if larger units with less sig figs are used, then the overall calculation would reflect this and in areas where small, precise measurements are used, it tells us where to cut off so instead of worrying about every digit we know where to stop.

Posts: 31
Joined: Fri Apr 06, 2018 11:03 am

### Re: Why are sig figs important?

As explained to me by an undergraduate assistant, Significant Figures indicate uncertainty in measurements (because inherent error always exist in any tool).

Rummel Requerme 1E
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Joined: Fri Sep 25, 2015 3:00 am
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### Re: Why are sig figs important?

I also approached one of the TA's in a previous Chem class that I was enrolled in; it was said the SIg figs aid in how precise AND accurate our results will be. If we are inconsistent with the number of sig figs, that data that is calculated will end up being completely different from the actual solution.

VindyMurthy
Posts: 9
Joined: Fri Apr 06, 2018 11:04 am

### Re: Why are sig figs important?

Significant figures are important mainly because they specify how accurate a measurement is. All the 0s after a decimal tell you how close the number is to being a whole number or an integer or how specific your data is.