A samll 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.

Question

Thank you!

Answer 1

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

so, the weight is

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

Answer 2

The area of the base of a rectangular juice box is 4 1/2 square inches. If the volume of the box is 18 cubic inches, how tall is the box?