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OpenStudy (raffle_snaffle):
Earth's oceans have an average depth of 3800m, a total surface area of 3.63x10^8 km^2 and an average concentration of dissolved gold of 5.8x10^-9 g/L (a) How many grams of gold are in the ocean? (b) How many cubic meters of gold are in the ocean? (c) Assuming the price of gold is $370,000/troy oz, what is the value of gold in the oceans (1 troy oz=31.1 g:d of gold =19.3g/cm^3)?
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OpenStudy (raffle_snaffle):
@Loser66
OpenStudy (raffle_snaffle):
So what I did for part A is I took SA=4pir^2 and solve for r to obtain large radius
OpenStudy (raffle_snaffle):
|dw:1396817410380:dw|
OpenStudy (raffle_snaffle):
@bibby
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