Answer from cs61c-cf (Aspandiar Dahmubed 16812056) for Question 1
c5 = g4 + (p4*g3) + (p4*p3*g2) + (p4*p3*p2*g1) + (p4*p3*p2*p1*g0) + (p4*p3*p2*p1*p0*c0)
I think I did it but I have no idea what the above means - wish Kurt could talk more about it in lecture