[tex]a = {(1.27)}^{3} \times {(1.27)}^{8} \\ a = {(1.27)}^{3 + 8} \\ a = {(1.27)}^{11} \\ \\ b = {(1.27)}^{13} \div {(1.27)}^{5} \\ b = {(1.27)}^{13 - 5} \\ b = {(1.27)}^{8} \\ \\ c = { ({(1.27)}^{4}) }^{8} \\ c = {(1.27)}^{4 \times 8} \\ c = {(1.27)}^{32} [/tex]