Solve Express the Result in Scientific Notation $10 ^ { - 3 }$

Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.
-If the mass of an object is 1.57603 × $10 ^ { - 3 }$ ton tons and its density is $1.73 \times 10 ^ { - 6 }$ tons per cubic foot, find the volume of this object. of this object. (Use the form $\text { (Use the formula } D = \frac { M } { V } \text {.) }$

A) $91.1 \times 10 ^ { 2 } \text { cubic feet }$
B) $9.11 \times 10 ^ { 3 } \text { cubic feet }$
C) $9.11 \times 10 ^ { 1 } \text { cubic feet }$
D) $9.11 \times 10 ^ { 2 } \text { cubic feet }$