using properties of exponents to simplify

[Greta]

Simplify:

3(xy) [sup:32a4lzdn]3[/sup:32a4lzdn]
27x-5y[sup:32a4lzdn]3[/sup:32a4lzdn]

Can I do more or is this my final answer:

3x[sup:32a4lzdn]3[/sup:32a4lzdn]y[sup:32a4lzdn]3[/sup:32a4lzdn]
27x-5y[sup:32a4lzdn]3[/sup:32a4lzdn]

 

[wjm11]

Your answer is correct.

 

[Greta]

Thank you!