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Solve the problem. Round to two decimal places unless otherwise indicated.
-Suppose the cost per ton, , to build an oil platform of thousand tons is approximated by . What is the cost per ton for ?
Hot Springs
Natural pools of water heated by geothermal activity beneath the Earth's surface.
Gold Ore
A type of rock that contains sufficient minerals with important elements including gold; the ores are extracted through mining.
Caldera
A broad volcanic depression, generally the result of a substantial eruption followed by the fall-in of the volcano's opening.
Banded Iron Formations
Layers of iron-rich minerals alternated with silica or chert, deposited in marine environments over 2.5 billion years ago and are important iron ore sources.
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