It has been estimated that 8.0 x 10^4 tons of gold (au) have been mined. assume gold costs $1350 per troy ounce. what is the total worth of this quantity of gold? (1 troy ounce =31.103 g)

is the total worth of this quantity of gold.

Explanation:

Estimated mass of gold =M =

1 troy ounce = 31.103 g

1 ton = 907185 g

1 g=

1 troy ounce =

M =

M = troy ounces

Cost of 1 troy ounce gold = $1350

Cost of   troy ounces of gold =

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