This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Mass = 200 g
volume = 45 cm³

density = mass/volume = 200/45 g/cm³ = 4.444 g/cm³

So density of the object is 4.444 g/cm³. 

In SI unit, denisty = 4.444×1000 kg/m³ = 4444 kg/m³