The density of a material in SI unit of is 128 kg m=? In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is: (1) 40 (2) 16 = (3) 640?s (4): 410 Share with your friends Share 0 Rizwan Ansari answered this 0 View Full Answer