Question

In $\frac{-2a^{3}b{c}^{-4}}{5}$ write down the coefficient of:
$-\frac{2c}{5}$

Answer 1

$\begin{array}{c}\frac{-2a^{3}b{c}^{-4}}{5}\\ \Rightarrow a^{2}b{c}^{-5}\times -\frac{2c}{5}\\ coefficientof\frac{-2}{5}\\ =a^{3}b{c}^{-5}\end{array}$