math help

I"m assuming it's supposed to look like this

(2 + 3^[-2])^(-1)

First work inside the brackets

(2 + 1/3²)^(-1)

(2 + 1/9)^(-1)

(18/9 + 1/9)^(-1)

(19/9)^(-1)

9/19
 
assuming your question was initially stated correctly

(2+3^-2)-1

(2+1/9)-1

(2/1+1/9)-1

(18/9+1/9)-1

(19/9)*-1/1

19/9*(-1(9))/9

-19/9

you may want to think about you are rephrasing your questions
paranthesis changes the question
 
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