[填空题]
The diagram below shmlyk-eu*z x 1ey8)xo/o1e9n ni3 llts e5ias+8ws the graphs of functions $y=5-3 x^{3}$ and $y=2 x^{4}$ .
1. Find the volume resulting from a rotation of the region shown in the diagram through $2 \pi$ about the x -axis.V≈ (one decimal pleaces)
2. Find the volume resulting from a rotation of the region shown in the diagram through $2 \pi $ about the y -axis.V≈ (two decimal pleaces)