Question

Q10 If ((81)]^(5/n)=243 the value of n is *​

Answer 1

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${81}^{ \frac{5}{n } } = 243 \\ { {3}^{4} }^{ \frac{5}{n} } = {3}^{5} \\ \frac{20}{n } = 5 \\ n = 4$