# How do you simplify 4r^6s*7r^3s^5?

Let's factor out the $r$s and $s$ so we can see this more clearly
$\left(s \times {s}^{5}\right) \times \left({r}^{6} \times {r}^{3}\right) \times \left(4 \times 7\right)$
${s}^{1 + 5} \times {r}^{6 + 3} \times 28$
$28 {s}^{6} {r}^{9}$