Answer:
25
Step-by-step explanation:
[tex] {( {2}^{8} . \: {5}^{ - 5} . \: {19}^{0} )}^{ - 2} . {( \frac{ {5}^{ - 2} }{ {2}^{3} } )}^{4} . \: {2}^{28} \\ {2}^{ - 16} . \: {5}^{10} \: . \: {19}^{0} . \: \frac{ {5}^{ - 8} }{ {2}^{12} } . \: {2}^{28} \\ {2}^{ - 16 - ( + 12) + 28} . \: {5}^{10 + ( - 8)} . \: 1 \\ {2}^{ - 16 + ( - 12) + 28} . \: {5}^{2} . \: 1 \\ {2}^{ - 28 + 28} . \: {5}^{2} . \: 1 \\ {2}^{0} . \: {5}^{2} . \: 1 \\ 1 \: . \: {5}^{2} . \: 1 \\ 1 \: . \: 25 \: . \: 1 \\ 25 \\ [/tex]
