Perform the Indicated Calculation $\left( 15 \times 10 ^ { - 5 } \right) \div \left( 3 \times 10 ^ { 4 } \right)$

Multiple Choice

Perform the indicated calculation. Express your answer using scientific notation.
- $\left( 15 \times 10 ^ { - 5 } \right) \div \left( 3 \times 10 ^ { 4 } \right)$

A) $10 \times 10 ^ { - 9 }$
B) $5 \times 10 ^ { - 1 }$
C) $5 \times 10 ^ { - 9 }$
D) $10 \times 10 ^ { - 1 }$