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According to Kepler's third law of planetary motion, the mean distance D, in millions of miles, from a planet in our solar system to the sun is related to the time P, in years, that it takes for the planet to complete a revolution around the sun, and the relationship is


D = 93P 2/3.


It takes the planet Pluto 248 years to complete a revolution around the sun. What is the mean distance from Pluto to the sun? What is the mean distance from Earth to the sun? Give your answers to the nearest million miles.

 Jan 26, 2021
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I think that is supposed to be 93 * P2/3

P = 1 for Earth      Making D = 93 million miles for Earth

For Pluto   D = 93 (248)2/3= ~3671 million miles  from the Sun

 Jan 26, 2021
edited by Guest  Jan 26, 2021

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