An Archeologist Finds a Huge Monolith in the Desert

Short Answer

An archeologist finds a huge monolith in the desert. In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer, collecting the following data:
dimensions of the monolith = 1.5 m * 5.2 m * 13 m
mass of rock chips = 41.73 g
volume of rock chips = 15.2 cm³
Determine the mass of the monolith in pounds, assuming it is of uniform composition.(1 lb = 453.6 g)