Solve the Problem $1.86 \times 10 ^ { 5 } \mathrm { miles } / \mathrm { second }$

Multiple Choice

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels $1.86 \times 10 ^ { 5 } \mathrm { miles } / \mathrm { second }$ .

A) $5.87 \times 1012$ miles
B) $5.87 \times 10 ^ { 7 }$ miles
C) $5.87 \times 10 ^ { 14 }$ miles
D) $5.87 \times 10 ^ { 5 }$ miles