the wavelength of a photon of light that has the same energy as in #8

question 8 answer: E = (6.63 x 10 ^-34 J*s)(4.0x10^14s^-1) = 3.05 x 10 ^-19J

so, please tell me the answer and show calculations for the wavelength of a photon of light where the energy equals 3.05 x 10 ^-19J