Question

What is -a⁻² if a= -5?

Answer 1

• 
  `-\cfrac{1}{25}`

Explanation:

`-\left(-5\right)^(-2)`

`\left(-5\right)^(-2)=\cfrac{1}{\left(-5\right)^2}`

`-\cfrac{1}{\left(-5\right)^2}`

`-5\right^2=25`

`-\cfrac{1}{25}`

-Hope this helps!