Respuesta :

Answer:

just plug in 8 µm for the variable r

surface area will be A=4π(8 µm)^2 = 256π µm^2

Volume will be: V= (4/3)π(8 µm)^3 =  (2048/3)π µm^3

SA:V is just SA/V which is (256π µm^2)/[(2048/3)π µm^3]

Explanation: