Question

By what number should ${\left(5\right)}^{-5}$ be multiplied so that the product is 1?

Answer 1

Let the number be $x$.

$\therefore$ $5^{-5}x=1$

$\Rightarrow x=\frac{1}{{\left(5\right)}^{-5}}$

$x={\left(5\right)}^5$, which is the required number.