Gamma-ray bursters emit pulses of gamma rays with high energies. the frequency of the most energetic pulses has been measured at around 3.0 x 1021 hz. what is the wavelength of these gamma rays?

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units