Step-by-step explanation:
[tex] {( \frac{ {5}^{7} \times {( - 3)}^{4} }{ {5}^{6} } )}^{2} = {( ({5}^{7 - 6} ) \times {( - 3)}^{4} )}^{2} \\ = {5}^{2} \times {( - 3)}^{4 \times 2} = {5}^{2} \times {( - 3)}^{8} [/tex]
25 * 6561= 164,025
