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Cobalt-60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 8.90 MeV (million electron volts; 1 eV = 1.602x10^-19 J). What is the frequency (in Hz) and the wavelength (in m) of this gamma ray? Enter your answer in scientific notation.