The table shows the values of powers [[$ 3^x $]].

[[$x$]]	1	2	3	4	5	6	7	8	9	10
[[$3^x$]]	3	9	27	81	243	729	2187	6561	19683	59049

Simplify the expressions using the table below. Do not use a calculator.
a) [[$ (3^2)^3 =$]]
b) [[$ (3^4)^2 =$]]
c) [[$ (3^1)^9 =$]]
d) [[$ (3^2)^5 =$]]