In this module, you can study what a significant figure is and how to round numbers to a significant figure.
Directions: Use any combination of the resources below in any order you wish or click here for detailed instructions.
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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.
Study and practice
Use these search terms to find additional resources:
significant figure
significant digit
round to significant figure