Verified answer

The foci are at (±ae,0) and assuming the vertices are the ends of the major axis then a=10, ae=8 and e=0.8

Also the length of the minor axis b is given by b^2=a^2(1-e^2) = 100(1-0.64)=36

An equation for the ellipse is x^2/100 +y^2/36 = 1