Express the Number -187,000,000 in Scientific Notation $- 1.87 \times 10 ^ { 8 }$

Multiple Choice

Express the number -187,000,000 in scientific notation.

A) $- 1.87 \times 10 ^ { 8 }$
B) $- 1.87 \times 10 ^ { 7 }$
C) $- 1.87 \times 10 ^ { 9 }$
D) $- 18.7 \times 10 ^ { 9 }$