Question

[(7/5)power-2×(7/5) power3]power-2​

Answer 1

refer to the attachment

Answer 2

Answer:

$=\frac{25}{49}$

Step-by-step explanation:

$\left(\left(\frac{7}{5}\right)^{-2}\left(\frac{7}{5}\right)^3\right)^{-2}$

$=\frac{1}{\left(\left(\frac{7}{5}\right)^{-2}\left(\frac{7}{5}\right)^3\right)^2}$

$=\frac{1}{\frac{49}{25}}$

$=\frac{25}{49}$

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