Question

Solve the Q.10 question
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Very easy

Answer 1

${81}^{ (\frac{ - 3}{4}) } \div { (\frac{9}{25}) }^{ \frac{ - 3}{2} } \\ \\ = {3}^{(4)( \frac{ - 3}{4} )} \div { \frac{3}{5} }^{(2)( \frac{ - 3}{2} )} \\ \\ = {3}^{ (- 3)} \div { (\frac{3}{5} )}^{( - 3)} \\ \\ = \frac{1}{27} \div \frac{125}{27} \\ \\ = \frac{1}{27} \times \frac{27}{125} \\ \\ = \frac{1}{125}$