Question

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please it's very urgent
If u give correct answer I will mark you brainliest.
And atleast two people's answer.
please give correct answer... ​

Answer 1

Answer:

pls mark it as brainlest answer

Answer 2

$</p><p> \sf \rightarrow \quad \bigg( \dfrac{3}{5} \bigg)^{ - 4} \times \bigg( \dfrac{15}{10} \bigg)^{ - 4} = \bigg( \dfrac{x}{y} \bigg)^{ - 4} \\ \\ \sf \quad {a}^{m} \cdot {b}^{m} = {(a \cdot b)}^{m} \\ \\ \sf \rightarrow \quad \bigg( \dfrac{3}{ \cancel{5}} \times \dfrac{ \cancel{15}}{10} \bigg)^{ - 4} = \bigg( \frac{x}{y} \bigg)^{ - 4} \\ \\ \sf \rightarrow \quad \bigg( \dfrac{9}{10} \bigg)^{ - 4} = \bigg( \dfrac{x}{y} \bigg)^{ - 4} \\ \\ \sf \rightarrow \quad \dfrac{9}{10} = \dfrac{x}{y} \\ \\ \\ \Rightarrow \sf \quad \dfrac{x}{y} = \frac{9}{10} </p><p>$