Question

(b The density of a material is 7.5 g/cm power 3 Find the mass (in kg) of an object, made of this material
and having a volume of 40 cm power 3​

Answer 1

Answer:

mass of material = 40 × 7.5. ( in gram )

= 300

1 kg = 1000 g

300/1000 = 0.3 kg