Simple Algebra question! Find an expression equivalent to (\frac{3x^3}{y^3})^3 1. \frac{9x^6{} }{3y}

2. \frac{9x^9{} }{y^3}

3. \frac{9x^6{} }{y^3}

4. \frac{27x^6{} }{3y}

5. \frac{27x^9{} }{y^3}