[填空题]
The diagram below sho0tf.vxci )t +skq0c0;i5 phtbws the qlq0 d5 0ep2x5nyo.* fvu l3nkgraphs 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)