The frequency (F) and length (L) of a wave are related by the following formula: F x L = 3.0 x 10^10. Consider that the wavelength of violet light is 1.3 x 10^−8. What is the frequency of violet light?

A) 1.7 x 102
B) 2.3 x 102
C) 2.3 x 1018
D) 4.3 x 107