Question

please help me to solve this ​

Answer 1

Answer- 625/1296 (In power notation)

Answer 2

the reciprocal of $\tt \: \frac{ - 1296}{625}$

$\implies \tt \frac{ - 625}{1296} \\ \\ \implies \tt \: \frac{ {25}^{2} }{ {36}^{2} }$

$\implies \tt \frac{ {5}^{2} }{ {6}^{2} } \\ \\ \implies\tt \frac{5}{6}$