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Chemistry, 19.05.2020 19:03 sonnekaustin60

How much energy does a 9 x 10^-8 m wavelength photon have?
a. 2.21 x 10^-18 J
b. 5.96 x 10^-41 J
c. 1.988 x 10^-49 J
d. 7.36 x 10^-27 J
please help me and explain step by step how you got the answer tysm

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How much energy does a 9 x 10^-8 m wavelength photon have?
a. 2.21 x 10^-18 J
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