Solve the following . Show the complete solution 1. A man weighs 75kg and he is 6ft tall. What would his mass be in lb? How tall he in m? 2. A box measures 7.0cm x 10.0 cm x 9.0cm. What is its volume ? express this also in ml. What is the volume in liter? 3. A bar of lead measures 3.0cm X 4.0cm x 12cm? If the density of lead is 11.3g/ cm3, what is the mass of the bar of lead? 4. The average density of the total earth is 5.53 g/cm3 . Calculate this in kg/m3. 5. A certain substance weighing 345 lbs. occupies a volume of 365ft3. Compute for its density and express it in kg/m3