Carry Out the Indicated Operation and Give Your Answer with the Specified

Multiple Choice

Carry out the indicated operation and give your answer with the specified number of significant digits.
- $\left( 7.4 \times 10 ^ { - 7 } \right) \div \left( 7.867 \times 10 ^ { - 2 } \right) ; 3$ significant digits

A) $9 \times 10 ^ { - 6 }$
B) $9.406 \times 10 ^ { - 6 }$
C) $9.4 \times 10 ^ { - 6 }$
D) $9.41 \times 10 ^ { - 6 }$