The correct option is D 0.003cm3
Number of cubes =30
Side of each cube =0.01 m
Volume of a cube = side × side × side or s3
So, volume of one cube = 0.01×0.01×0.01=0.000001m3
Volume of 30 cubes = 30×0.000001=0.00003 m3
Volume of 30 cubes in cubic centimetre = 0.0003×100=0.003 cm3