Respuesta :

AL2006

log (8 x³)  =  4

Raise 10 to the power of
each side of the equation:

       8 x³  =  10,000

Divide each side by  8 :

          x³  =  1,250

Take the cube-root of each side:

          x  =  ∛1,250  =  10.772  (rounded)