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A planet has an approximate radius of 4×108 m. Assuming the planet is spherical, find its volume in km3. Give your answer in standard form to 3SF.
The volume of a sphere is (4/3)πr^3.

 Jan 15, 2021
edited by Alan  Jan 15, 2021
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just plug into the given equation

 

4 x 10m = 4 x 10km

 

(4/3)(pi)(4x 105)3

(4/3)(π)(16 x 1015 ) = .................  km3

 Jan 15, 2021

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