Question

Simplify and give reason
1)(5/7)-²

Answer 1

Answer:

(9-4)÷1/25

5÷1/25

5/1×25/1

125

Step-by-step explanation:

Answer 2

${( \frac{5}{7} )}^{ - 2} \\ \\ {( \frac{7}{5} )}^{2} \\ \\ \frac{49}{25}$

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