Question

91827636382838189828377383​

Answer 1

Answer:

1 / 81^1/2

1 / 81

Answer 2

$\sqrt[4]{ {81}^{ - 2} }$

$= \sqrt[4]{ \frac{1}{ {81}^{2} } }$

$= \frac{1}{ {81}^{ \frac{2}{4} } }$

$= \frac{1}{ {81}^{ \frac{1}{2} } }$

$= \frac{1}{ { ({9}^{2} )}^{ \frac{1}{2} } }$

$= \frac{1}{ {9}^{ \frac{2}{2} } }$

$= \frac{1}{ 9}$

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