Question

{81x^4÷y^-8}^1/4has simplify value equal to

Answer 1

$( \frac{81x {}^{4} }{y {}^{ - 8} } ) {}^{ \frac{1}{4} } \\ =( \frac{3 {}^{4}x {}^{4} }{y {}^{ - 8} } ) {}^{ \frac{1}{4} } \\ = \frac{3x}{y {}^{ - 2} } \\ = 3xy {}^{2}$