Question

if bar of soap is 40 mm x 25 mm x 2 mm and one cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this bar of soap

Answer 1

40mm * 25mm * 2mm = 2000mm^3

2000mm^3 * .0005 oz/mm^3 = 1 oz

now, why you tell us about a bar of soap and then about the weight of gold, I have no clue...