In this module, you can study what a significant figure is and how to round numbers to a significant figure.
The video above explains what significant figures are and how to find them in a number.
The video above shows you how to round to a significant figure.
The number of significant figures in a number is not necessarily the same as the number of decimal places. The number ".1503" has four significant figures, while this number ".00932" has only three.
Use these search terms to find additional resources:
significant figure
significant digit
round to significant figure