[填空题]
The volume of a hemis zmxj m(r*/7m*fovft1 phere, V, is gioi5vs 9se*i-dqfo 4i z)d6a3 6q9qtmbven by the formula
where S is the total surface area.
The total surface area of a given hemisphere is 529 cm$^2$.
1.Calculate the volume of this hemisphere in cm$^3$ . Give your answer correct to one decimal place.
V= cm$^3$
2.Write down your answer to part (a) correct to the nearest integer.
The number= cm$^3$.
3.Write down your answer to part (b) in the form a×10$^k$ , where 1≤a<10 and k∈Z.
The number= ×10$^2$ cm$^3$.
