The radius of Earth is 3,958.8 miles. How is this number written in scientific notation?
A 3.9588 * 10 ^ - 3
B 3.958 * 10 ^ 3
C 3.9588 * 10 ^ 4
D 39.588x * 10 ^ 2
A 3.9588 * 10 ^ - 3
B 3.958 * 10 ^ 3
C 3.9588 * 10 ^ 4
D 39.588x * 10 ^ 2