Harvey wants to buy a gift for his father that costs $35.92 and a gift for his sister that costs $52.08. He has saved $16.28. How much more does he need to save in order to buy the gifts? Show your work and label your answer.

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?