Answers

2016-07-09T18:25:27+08:00
Density is equal to the mass over the volume occupied.

Density of the object = (50.2 g / 5 mL)
Density = 10.04
Express to correct significant figure = 1 x 10^2 g/mL 
0
Oops, wait i got it wrong, the answer should be 1 x 10 g/mL
Or 10 g/mL is all right :-)