Hi everyone who here is a blink or army

Write the fraction or mixed number and the decimal shown by the model

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual