Given,Relative density of lead, \\\\(R =11.3\\\\)We know,Relative density, \\\\(R=\\dfrac{Density\\ of\\ lead\\ (\\rho_{lead})}{Density\\ of\\ water\\ (\\rho_{water})}\\\\)Density of water, \\\\(\\rho_{water}=1000\\ kg/m^3=1\\ g/cm^3\\\\)\\\\(\\implies \\rho_{lead}=11.3\ imes \\rho_{water}\\\\)\\\\(\\rho_{lead}(in\\ g/cm^3)=11.3\ imes 1\\\\)\\\\(\\rho_{lead}(in\\ g/cm^3)=11.3\\ g/cm^3\\\\)And,\\\\(\\rho_{lead}(in\\ kg/m^3)=11.3\ imes 1000\\\\)\\\\(\\rho_{lead}(in\\ kg/m^3)=11300\\ kg/m^3\\\\)