Question

(iii) (5/7) ^ - 2 * (5/7) ^ 4 / ((5/7) ^ 3)
please help me ❤❤❤​

Answer 1

$\huge\mathfrak\fcolorbox{purple}{pink}{Answer}$

$= \frac{( \frac{5}{7 })^{2} \times ( \frac{5}{7}) ^{4} }{ (\frac{5}{7} ) ^{3} }$

$= \frac{( \frac{5}{7}) ^{6} }{( \frac{5}{7}) ^{3} }$

$= ( \frac{5}{7} )^{3}$

$= \frac{125}{343}$

Answer 2

Hope the image attatched helps you.