$\left(0.1\right)^2-2\left(0.1\right)^3$

$\left(\frac{x}{3}+\frac{2}{x}\right)^4$

$\left(ax\right)^2+\left(by\right)^2=1$

$\lim_{x\to\infty}\left(n^{\left(\frac{1}{n}\right)}\right)$

$-2\:\left(-5\right)\:+3\:\:\left(-5\right)-5$

$\left(4y+9\right)^2$

$m\left(a-b\right)+\left(a+1\right)n$