Problem: The circumference of Earth through the poles is 40,008 km. Round this number to four significant figures, and express it in standard exponential notation.

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We're asked to round off the circumference of Earth which is 40,008 km to four significant figures and to express it in standard exponential notation


Recall that a scientific notation expression is composed of three parts:



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Problem Details

The circumference of Earth through the poles is 40,008 km. Round this number to four significant figures, and express it in standard exponential notation.

Frequently Asked Questions

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.