MATHS - Numbers - Rounding

The video tutorial covers two types of rounding: to decimal places and to significant figures. It begins with the basic rules of rounding, explaining how numbers below 5 are rounded down and numbers 5 or above are rounded up. The tutorial provides examples of rounding whole numbers to the nearest ten and decimals to specific decimal places. It also explains rounding to significant figures, using examples to illustrate the process. The video concludes with a summary of the rounding techniques discussed.

What defines a significant figure in a number?

How would you round the number 31,248 to one significant figure?