Answer
$\frac{1}{k^{4}}$
Work Step by Step
Recall the equation: $a^{-n}= \frac{1}{a^{n}}$. Thus, we simplify this expression:
$j^{0} \times k^{-4}= \frac{j^{0}}{k^{4}}$
Recall, anything raised to the zeroth power is 1. Thus, this expression simplifies to:
$\frac{1}{k^{4}}$
