Question

(-1)elevado a 8 + 6elevado a 0 -[15+(-40): (-2)³] preciso urgente

Answer 1

$(-1)^8 + 6^0 - \ [ 15+ ( \dfrac{-40}{(-2)^3} )\ ] \\ \\ \\ 1 + 1 - \ [ 15+ ( \dfrac{-40}{-8} )\ ] \\ \\ \\ 2 - \ [ 15+ ( 5) \ ] \\ \\ \\ 2 - 20 => - 18$