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Gr12345:
A weather balloon in the shape of a sphere has a surface area of 160 square meters. If the formula for the surface area of a sphere is S.A.=4πr2, to the nearest tenth of a meter, what is the radius of the balloon?
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Vocaloid:
they give you the surface area S.A. = 160 m^2 as well as the equation S.A.=4πr^2, plug in S.A and solve for r. round to the nearest tenth as indicated (1 decimal place)
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