With the attachment below! i forgot how to do these xd

Use Mathpapa or symbolab, they are both very useful resources, and have saved me many times

So what you to is apply the exponent rule: x^a/x^b = x^(a-b)

which gives you 4^-2/4^-4 = 4^(-2-(-4))

simplify that to 4^2
then simplify that and that's your answer :P

Im sorry but what on

Check the internet ok that will