We’re being asked to express the diameter of Earth at the equator which is 7926.381 mi in scientific notation rounded off to three significant figures.
Recall that a scientific notation expression is composed of three parts:
The diameter of Earth at the equator is 7926.381 mi. Round this number to three significant figures, and express it in standard exponential notation.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Significant Figures concept. You can view video lessons to learn Significant Figures. Or if you need more Significant Figures practice, you can also practice Significant Figures practice problems.
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