###### Exercise25

Evaluate the following expressions.

1. Evaluate $${y^{2}x^{3}}$$ when $$y=-2$$ and $$x=-1\text{.}$$ $$\displaystyle{{y^{2}x^{3}}=}$$

2. Evaluate $${y^{3}x^{2}}$$ when $$y=-2$$ and $$x=-1\text{.}$$ $$\displaystyle{{y^{3}x^{2}}=}$$

in-context