Answer: ln(-256) = 5.54 + πiStep-by-step explanation:We have to find ln(-256)This question belongs to the complex domain which saysln(-1)= πiSo ln(-256)= ln(256*(-1))And we know that ln(a*b)= ln(a)+ln(b)So, ln(256*(-1))= ln(256)+(ln-1)as ln(-1)= πi, putting value and finding ln(256) we get, ln(256*(-1)) = 5.54 + πi