Question

4√(81)^-3 simplify ​

Answer 1

$4 \sqrt{(81) {}^{ - 3} }$

$= 4 \sqrt{( \frac{1}{81} ) {}^{3} }$

$= 4 (3 {}^{ - 4 \times \frac{3}{2} } )$

$= 4 \times 3 {}^{ - 6}$

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