1.) How many km^2 are in 9.55 x 10^31 fm^2?
2.) A sample of dichlorormethane has a voloume of 8.043 in.^3. What is the mass of the sample(in lb)? The density of dichloromethane 1.33 g/cm^3.
3.) How many nm^2 are in 7.30 x 10^3 ft^2?
4.) What is the weight in ounces (oz) of a copper cylinder with a volume of 143.2 in.^3 if the density of copper is 8.96 g/cm^3?