How do i simplify 8 to the power of negative 2

To simplify a negative, simply take the reciprocal of the number. From there, the exponent becomes a positive and you can simplify it.

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,