Question

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

Answer 1

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

= 300

1 kg = 1000 g

300/1000 = 0.3 kg

Answer 2

hope this helps you...