Energy with frequency problems? Please Help!?

a.)Use Planck’s equation (E=hν) to determine the energy, in joules per photon, of radiation of frequency 9.41×1015s−1.

b.)Use Planck’s equation (E=hν) to determine the energy, in kilojoules per mole, of radiation of frequency 1.52×1014s−1

Please help me on these questions and show the work. I’ll gladly appreciate it!

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