Question

How do you evaluate `-32\div \{ - 2\cdot [ 20\div ( - 5) ] \}`?

Answer 1

`-32divide{-2*[20divide(-5)]}`

`=frac{-32}{(-2)*(frac{20}{-5})}`

`=frac{-32}{(-2)*(-4)}`

`=frac{-32}{8}`

`=-4`