Posted by Anthony on .
What is the energy (in J) of a photon of ultraviolet light that has a wavelength of 252 nm? The units for the answer are Joules. The error interval is 5%.
I did the problem and i got 7.893E37
did i do correct or was i close

chemistry please help 
DrBob222,
The number is right. The exponent is not.
E = 6.626E34*3E8/252E9 = ??