Question

(-4)^-2 +7^0-9^2-2^2-(-5)^2

Answer 1

$(-4)^{-2} +7^0-9^2-2^2-(-5)^2$
$(-0,0625)+1-81-4-25$
$0,9375-110$
$=-109,0625$

$saludos,desde,venezuela$