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Earth's oceans have an average depth of 38000m, a total area of 3.63*10^8km^2, and an average concentration of dissolved gold of 5.8*10^-9g/L. a) how many grams of gold are in the oceans? b) how many m^3 of gold are in the oceans? c) just a few years ago, the price of gold was #310.00/troy oz. what was the value of gold in the oceans (1 troy oz = 31.1 g; d of gold = 19.3 g/cm^3)?

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