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Chemistry
 Online Tutoring : Forum : Homework Help - Physical Sciences : Chemistry
Topic Topic: Significant Figures Post ReplyNew Question
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Dianafungus
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Joined: 20 September 2007
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Posted: 20 September 2007 at 9:18am | IP Logged Quote Dianafungus

I don't understand them...

 

How many significant figures are in

0.571429?

350.

64

1.3 x 10[2 squared]

1.30 x 10[2 squared]



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Little_ash_2003
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Posted: 21 September 2007 at 12:22pm | IP Logged Quote Little_ash_2003

0.571429 has 6 significant figures

350 has 2 significant figures

64 has 2 significant figures

1.3 x 10^2 has 2 significant figures

1.30 x 10^2 has 3 significant figures

http://en.wikipedia.org/wiki/Significant_figures

Although I generally do not advise using Wikipedia (they distort facts alot and my teachers actually forbid us from using Wikipedia as a source for our research papers), there is a pretty simple explanation on what is a significant figure and what isn't.  Don't worry, you'll eventually get the hang of it.  It just takes a little while.

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