31,200 round to the nearest ten thousand

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Evaluate cos2θ for cosθ = square root of 3/2