Question: Pietro has been observing a distant star 4.5 lightyears away from the Earth. He has noted that there is a planet that orbits the star

Pietro has been observing a distant star 4.5 lightyears away from the Earth. He has noted that there is a planet that orbits the star once every 35 days. If the mass of this star is 2.5 times that of our sun, determine the distance this planet is from its star?

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