Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 1.80e28 kg and 1.60e3 m.
(a) Find the density of such a star.
kg/m3
(b) If a dime (V = 2.0e-7 m^3) were made from this material, how much would it weigh (in pounds)?