[tex] \red{a {}^{x} \times a {}^{y} = a {}^{x + y} }[/tex]
[tex]2 {}^{4} \times {2}^{5} = 2 {}^{4 + 5} = {2}^{9} [/tex]
[tex] {3}^{8} \times {3}^{9} = {3}^{8 + 9} = {3}^{17} [/tex]
[tex] {5}^{10} \times {5}^{21} = {5}^{10 + 21} = {5}^{23} [/tex]
[tex] 4 = {2}^{2} \\ {4}^{2} = { 2} ^{4} \\ 2 {}^{6} \times {2}^{4} = 2 {}^{6 + 4} = {2}^{10} [/tex]
