A solid metal cube of side 10 cm is heated from
10^oC to 60^oC. lf the linear expansivity of the metal is 1.2 x 10⁵K^-1, calculate the increase in its volume.

• A.0.6cm³
• B.1.2 cm³
• C.1.8 cm³
• D.3.6 cm³
• E.6.0cm³.