Question

A rectangular cube has a length of 1.2 cm, a width of 2.4
cm, and a height of 3.0 cm. Its mass is 21.6 g. What is its
density

Answer 1

Density = mass ÷ volume

Density = 21.6g ÷ (1.2 x 2.4 x 3.0)

Density = 21.6g ÷ 8.64cm3

Density = 2.5g/cm3 -> 2500kg/m3

Hope this makes sense! :)