Question

$3 ^{3n} = 81 \: then \: value \: of \: n ^{2} \\ \frac{9}{16} \\ \: \: \: \: \: \: \: \: \\ \frac{16}{9} \\ \\ \frac{3}{4} \\ \\ \frac{4}{3}$
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

16/9

Step-by-step explanation:

3^3n= 81

3^3n=3^4

3 and 3 cancelled from both side

3n=4

n=4/3

n^2 =4^2/3^2

n^2=16/9