Question

A small bar of gold measures 40 mm by 25 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this small bar of gold.

Answer 1

The weight of the one cubic foot of the bar of gold is: 2000 mm^3 x .0005oz/1mm^3 = 1oz

Explanation:

The volume of the small bar of gold is this one:

v = 40mm x 25mm x 2mm = 2000 mm^3 ;