Question

(5/7) ^ - 2 × (5/7) ^ 4 ÷((5/7) ^ 3 help me ❤❤​

Answer 1

Answer:

and after this to change -1 into positive we will reciprocal

then answer will be 7/5

hope it helps

Answer 2

Answer:

HOW TO SOLVE?

$( \frac{5}{7}) {}^{ - 2} \times ( \frac{5}{4} ) {}^{4} \div ( \frac{5}{7}) {}^{3} \\ (\frac{5}{7} ){}^{ - 2} \times ( \frac{5}{7} ) {}^{4 - 3} \\ ( \frac{5}{7} ) {}^{ - 2} \times ( \frac{5}{7} ) {}^{1} \\ ( \frac{5}{7} ){}^{ - 2 + 1} \\ ( \frac{5}{7} ) {}^{ - 1} = \frac{7}{5}$

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HOPE IT HELPS YOU!!!