# Problem 2-1(c) Average Speed - Part 2 - B

Determine the average speed in metres per second. Express the final answer in scientific notation using the correct number of significant digits.
(C) The moon takes $27.3$ days to complete one orbit around the earth. The average earth-moon distance is $\mathrm{3.84 \times 10^5\; km.}$

No! The distance the earth travels in completing one orbit is the circumference of the orbit.

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