# How do you simplify 5a^-4 and write it using only positive exponents?

Jan 19, 2018

$\frac{1}{5 {a}^{4}}$
${a}^{-} b = \frac{1}{{a}^{b}}$
$\therefore 5 {a}^{-} 4 = \frac{1}{5 {a}^{4}}$