How do you simplify $x^-4$ and write it using only positive exponents?

Question

7973 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-09-04T12:39:49

Use this rule of exponents:

$x^color(red)(a) = 1/x^color(red)(-a)$

$x^color(red)(-4) = 1/x^color(red)(- -4) = 1/x^4$

How do you simplify x^-4x^-4 and write it using only positive exponents?