anonymous
  • anonymous
For this problem, I need to give an answer with the correct number of significant figures.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
\[2.80/(8)(25)\]
Xishem
  • Xishem
The final answer in multiplication and division should have the same number of significant figures as the number that had the least in the problem. In this case, that number is 8.
anonymous
  • anonymous
I knew that much. When I put it in my calculator, I got: 0.013835758835- and so on.

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Xishem
  • Xishem
Then by the rules of significant figures, you can only keep one sigfig: \[2.80/(8)(25)=0.01\]
anonymous
  • anonymous
Lol thank you. I actualyl jsut realized that I used the wrong thing and got the same answer. Possible you can assist me with another: 5.5*0.242/9.62*10.0 When I multiplied the numerators and denominators, I got 1.331/96.2. Divided that and had 0.013835758835- and so on. which was where it actually originated. Would it be the same thing?
Xishem
  • Xishem
Well, in that case, the number with the least number of significant figures in that calculation has 2, so you would keep 2 sigfigs: \[=0.014\]
anonymous
  • anonymous
That makes sense. I neglected to use the 0's.
Xishem
  • Xishem
http://www.chem.sc.edu/faculty/morgan/resources/sigfigs/sigfigs3.html This might help if you need an overview of significant figure rules.
anonymous
  • anonymous
Thanks! it does. I just need more practice and i'm sure that I can do this no problem. Your help is appreciated.

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