Question

How do you simplify `2n^-4` and write it using only positive exponents?

Answer 1

Use this rule for exponents to complete this problem:

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

`2nx^color(red)(-4) = 2/n^color(red)(- -4) = 2/n^color(red)(4)`