tolong kerjain ya besok mau di kumpul nih plees

∦[tex] 1. (3^{3})^{-2} = 3^{-6} = 729
\\ 2. (243)^ \frac{1}{5} = (3^5)^ \frac{1}{5} = 3
\\ 3. 8^ \frac{1}{3} .27^ \frac{1}{3} =( 2^3)^ \frac{1}{3} .(3^3) ^\frac{1}{3} =2.5 = 6 \\ 4.5^2 + 2 = 25 + 2 = 27[/tex]