The radius of a copper nucleus with 64 nucleons is 4.8 × 10-15 m. What is the best estimate for the volume of a lead nucleus with 208 nucleons?
4.6×10−43 m34.6 \times 10^{-43}\text{ m}^34.6×10−43 m3
6.9×10−43 m36.9 \times 10^{-43}\text{ m}^36.9×10−43 m3
1.5×10−42 m31.5 \times 10^{-42}\text{ m}^31.5×10−42 m3
1.6×10−41 m31.6 \times 10^{-41}\text{ m}^31.6×10−41 m3