[tex]a) {7}^{14} \times {7}^{31} = {7}^{14 + 31} = {7}^{45} [/tex]
[tex]b) {16}^{11} \times {16}^{22} = {16}^{11 + 22} = {16}^{33} [/tex]
[tex]c) {3}^{3} \times {3}^{8} = {3}^{3 + 8} = {3}^{11} [/tex]
[tex]d) {5}^{9} \times {5}^{14} = {5}^{9 + 14} = {5}^{23} [/tex]
[tex]e) {23}^{12} \times {23}^{45} = {23}^{12 + 45} = {23}^{57} [/tex]
[tex]f) {5}^{32} \times {5}^{121} = {5}^{32 + 121} = {5}^{153} [/tex]