[填空题]
The volume of a hemisp 6daho)7llgr ,+d ck0thereu +.as7 9ei4bfx st.gl, V, is given 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$^3$.
