2.1 fill in the blanks
{a) The volume of a cube of side 1cm is equal to.....m3
b) The surface area of a solid cylinder of radius 2 0 cm and height 10.0 cm is equal to......mm2
(c) A vehicle moving with a speed of 18 km h covers.....m in 1s
(d) The relative density of Iead is 11.3. Its density is
......g cm-3 or kg m-3

​