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Mathematics 9 Online
OpenStudy (anonymous):

Light travels at a speed of 299,792,458 m/s. The planet Uranus is 30,430,000,000,000 meters from Earth. What is a good estimate of the amount of time it takes for light to travel from Earth to Uranus?

OpenStudy (anonymous):

round lightspeed to \[3 * 10^{8}\] and round distance to Uranus to \[3 * 10^{13}\] yielding \[1 * 10^{5} seconds\]

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