5a. It is estimated that all the gold ever mined is about 10 000 000 000 ounces (you may use 3 sig
figs.). If you wanted to fit it into a cubic shaped room, what would be the length of one wall have to be
in feet?
(Hint: Change oz to g; then use the density table to help you find the volume in cm³.
Use this volume to find one side of a cube.)
To find cube root on a calculator use power (1/3); for example 8^(1/3)=2
5b. If Gold is selling presently for $1000.00/oz how much would 1 cubic inch of gold be worth?
Note: 1 inch = 2.54 cm; 1 oz = 28.3 g Density of gold is in table (19.3 g/cm^3)