In this module, you can study what a significant figure is and how to round numbers to a significant figure.
The number of significant figures in a number is not the same as the number of decimal places.
The number "0.1503" has four significant figures, while this number "0.00932" has only three.
Study and practice
0.00 min addition (+), subtraction (-), multiply (x), divide (÷)
1.19 min decimal point
2.43 min C, CE and backspace
4.19 min square, square root & fractions
6.17 min percentage (%)