The mass of a piece of paper is $0.02\;g$ and the mass of a solid substance along with the same piece of paper is $20.036\;g$. If the volume of the solid is $2.16\;cm^3$ its density to the proper number of significant digits will be

Question

$(a)\;9.27 \;g\;cm^{-3}\\ (b)\;43.24 \;g\;cm^{-3} \\(c)\;9.267 \;g\;cm^{-3} \\(d)\;9.3 \;g\;cm^{-3}$