A long, conductive cylinder of radius _1=2.80 cm and uniform charge per unit length =302 pC/m is coaxial with a long, cylindrical, nonconducting shell of inner and outer radii _2=9.80 cm and _3=11.2 cm, respectively. If the cylindrical shell carries a uniform charge density of =79.8 pC/m^3, find the magnitude of the electric field at each radial distance indicated.