# earth

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The radius of the sun is 695 500 km
What is its approximate volume written in Scientific notation?

• earth -

r = 6.955*10^5

v = 4/3 pi r^3
= 4/3 pi * 6.955^3 * 10^15
= 1.409 * 10^18

• earth -

____ cubic meters, since r is in meters.

• earth -

actually, since r is in km, that would be km^3

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