Solve.If the mass of an object is 2.79027 × 104 tons and its volume is 3.87 × 105 cubic feet, find the density of this object. (Use the formula D = 
and round to the nearest hundredth, if necessary.)
A. 72.1 × 10-2 tons per cubic foot
B. 7.21 × 10-3 tons per cubic foot
C. 7.21 × 10-1 tons per cubic foot
D. 7.21 × 10-2 tons per cubic foot
Answer: D
Mathematics
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