Posted by **Carl** on Wednesday, January 16, 2013 at 5:20pm.

I'm having a hard time with significant figures. Any help would be appreciated.

The first one is 0.0000000502. I put that it has three significant figures. Is this correct?

The other numbers I haven't a clue about are:

5.52

299,792,458

206,265

I get the jist of it, but I'm still struggling with the concept.

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