How many pounds-mass per cubic foot is 40 grams per cubic centimeter?

Question 1 options:

500 lbm/ft^3

3,200 lbm/ft^3.

2,500 lbm/ft^3

1,200 lbm/ft^3

40 grams per cubic centimeter is approximately equal to 2,500 pounds per cubic foot. This answer can be obtained by converting grams to pounds and also converting cubic centimeters to cubic feet. To be able to do this conversion, we need to know that there are about 28,317 cubic centimeters per cubic foot, and 453.6 grams per pound.