Write the Number as the Product of a Real Number $$\sqrt { - 16 }$$

Multiple Choice

Write the number as the product of a real number and i.
- $$\sqrt { - 16 }$$

A) $- \mathrm { i } \sqrt { 16 }$
B) $4 \sqrt { i }$
C) $4 \mathrm { i }$
D) $- 4 \mathrm { i }$