Apatient receives a gamma scan of his liver. he ingests 3.7 mbq of 198au, which decays with a 2.7 day half-life by emitting a 1.4 mev beta particle. medical tests show that 60% of this isotope is absorbed and retained by the liver. if all the radioactive decay energy is deposited in the liver, what is the total dose equivalent received by the patient's 1.5 kg liver once all the atoms have decayed?