Question

Help with solving these?

I can't figure the rest out.

2^18/y^12
2^2/3
3^-2/4^-2
(a/5b0^-2

Answer 1

Last one is (a/5b)^-2. accidentally put a 0.

Answer 2

I solved them until these points. Are they unsolvable or do they still need to be simplified? Some one please help.

Answer 3

@iambatman

Answer 4

@iamrobin can you help me out with the rest of these?