The density of dry air is 1.12 10-3g,/cm3. Express this density as lb/ft3

1 answer

1.12 x 10-3g/cm3 x (1 lb/453.59 g) x (2.54 cm/in)^3 x (1728 in^3/ft^3) = ?
Did you know you could go to google, type in 1.12E-3 g/cc to lb/ft^3 and it will give you the answer? Saves a lot of time although you need to know how to do it as I did above.