\(4=2^2=\left(-2\right)^2\\ 6=\left(\sqrt{6}\right)^2=\left(-\sqrt{6}\right)^2\\ 9=3^2=\left(-3\right)^2\\ 16=4^2=\left(-4\right)^2\\ 27=3^3\\ 64=8^2=\left(-8\right)^2=4^3\\ 81=9^2=\left(-9\right)^2\\ 125=5^3\\ 225=15^2=\left(-15\right)^2\)
4 = 2^2; 8 = 2^3; 9 = 3^2; 16 = 4^2; 27 = 3^3; 64 = 8^2; 81 = 9^2; 125 = 5^3; 225 = 15^2.
4 = 2^2; 8 = 2^3; 9 = 3^2; 16 = 4^2; 27 = 3^3; 64 = 8^2; 81 = 9^2; 125 = 5^3; 225 = 15^2.