Question

find the weight of 10 cubes of iron each with edges 5cm if 1cm3 of iron weight 10g

Answer 1

volume of 1 cube is a cube

so 5×5×5=125 cm cu.

vol. of 10 cube =10×125=1250cm cu.

weight of 1 cm cu. =10g

so so weight of 1250cm cu.=10×1250=12500g