When evaluating (6.28 x 10^12) over (3.14x10 ^ 4), what will be the exponent of 10 in the quotient?A.3B.4C.8D.16

6.8 x 10 ¹² :  3.14 x 10 ⁴
= 680/314 x 10 ¹² ⁻⁴ = 680/314 x 10 ⁸