A 1.0-mL volume of seawater contains about 4.0 x10‒12 g of gold. The total volume of ocean water is 1.5 x 1021 L. Calculate the worth in dollars of the total amount of gold in grams that is present in seawater, assuming that the price of gold is $350 an ounce. (1.0 ounce = 28.35 g).

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