Question

Evaluate and mention the law used pls freinds help me in this question ❤️❤️​

Answer 1

Answer:

${( \frac{5}{7}) }^{4} \times {( \frac{5}{7}) }^{ - 6} \\ law = {a}^{m} \times {a}^{n} = {a}^{m + n} \\ = { (\frac{5}{7}) }^{4 + ( - 6)} \\ = { (\frac{5}{7}) }^{4 - 6} \\ = {( \frac{5}{7}) }^{ - 2} \\ = { (\frac{7}{5}) }^{2} \\ = \frac{7}{5} \times \frac{7}{5} \\ = \frac{49}{25}$

I HOPE IT WILL HELP YOU DEAR.....

Answer 2

Answer:

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