Exponents

0

(-9²) = -81 

(3⁴) = 81

 

-81 + 81 = 0

Hi WinterEclipse,

It is nice to meet you :)

 

Your answer is correct and so is your working  :)

I just wanted to talk about  -9^2 = -81

 

 

 

\(-9^2\\\\ =-1*9^2\\\\ =-1*81\\\\ =-81\\\\\)

 

\((-9^2)= -9^2=-1*9^2=-81\\\\ but\\\\ (-9)^2=-9*-9=+81\)