Express the Number -174,000,000 in Scientific Notation $- 1.74 \times 10 ^ { 9 }$

Multiple Choice

Express the number -174,000,000 in scientific notation.

A) $- 1.74 \times 10 ^ { 9 }$
B) $- 1.74 \times 10 ^ { 8 }$
C) $- 17.4 \times 10 ^ { 9 }$
D) $- 1.74 \times 10 ^ { 7 }$