(4x^-3 y)^-9 sederhanakalah! ^ itu pangkat :)

[tex](4 {x}^{ - 3}y) {}^{ - 9} [/tex]
[tex](4x {}^{ - 9 \times - 3})(y {}^{ - 9)} [/tex]
[tex]4x {}^{27} y {}^{ - 9} [/tex]
[tex] \frac{4x {}^{27} }{y {}^{9} } [/tex]