A man pulls a box with a 200N force at an angle of 20 degrees above the horizontal. If he drags the box horizontally 30 m, how much work did he exert pulling the box?

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.