Answer :

luana
[tex]Formula\ for\ density:\\\\ p=\frac{m}{V}\\p-density,\\m-mass,\\V-volume\\\\ Data:\\ m=50,4grams\\ V=57,9cm^3\\\\ p=\frac{50,4g}{57,9cm^3}=0,87\frac{g}{cm^3}\\\\Density\ of\ paraffin\ is\ equal\ to\ 0,87\frac{g}{cm^3}. [/tex]