Ablock of wood has a mass of 180 grams. it is 10cm long 6cm wide and 4cm thick. what is its volume and density?

Volume = (length) x (width) x (height) =

                 (10cm) x  (6cm)  x  (4cm)  =  240 cm³

Density = (mass) / (volume) = (180 g) / (240 cm³)  =  0.75 gm/cm³ .