Tyler DeWitt | Why are Significant Figures Important? @tdewitt451 | Uploaded May 2012 | Updated October 2024, 1 day ago.
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What's the point of significant figures?!? Really, significant figures (or significant digits) can be such a pain in the neck. What is the point? Significant figures tell us how to round, but they also make sure that the answer we get from a math problem is not more precise than the numbers that we started with. Accuracy and precision are both important with significant figures and digits.