Hello, I posted this question several times and I have received different answers which are not correct answer (please kindly respect the answer which is listed at the end of the question), please kindly check my calculation and correct it , can you kindly show me the steps please? Thanks a lot!!!

The fission of uranium 235 can take place according to different paths. A possible fission is to obtain lathane 144 and bromine 88, as well as neutrons. data: m_u = 235.04393u; m_La = 143.91961u; m_Br = 87.92497u

(b) The Flamanville nuclear power plant produces electrical power of 2760MW with a yield of 36%. How many reactions take place each second? (Answer: 2.96 * 10^20)

(b)P=tEEtP2760MW1sE=2760MJR=36%0.362760M=EinputEinpint=7666.7MJ1U162MeV2.61011J2.610117666.7MJ=2948.71017atoms A0=N0(H0tocontinuetofindtheanswer2.961020?)