In the BBC Bitesize KS23 maths guide, you can learn how to round numbers to three significant figures. You'll also learn what a significant number is!

In other words, we haven't actually talked about how to work with significant figures in the real world! So, how do real world significant figures work? That's exactly the question we'll be ...

Unit 1 Segment C: Significant Figures We explain the rules for using significant figures.

The 100 Most Significant Figures in History 5 minute read UNSPECIFIED - CIRCA 2010: Workshop of Guido Reni (1575-1642), Christ Crucified, 1640-1645, oil on canvas, 286x186 cm. (Inv. 1184).