What is the nuclear binding energy for uranium-238 in joules? Assume the following:. Mass defect = 3.2008 x 10-27 kilograms. Use E = mc2, with c = (3 x 108 m/s)2. 0.28807 x 10-12 joules. A.) 2.8807 x 10-12 joules B.) 2.8807 x 10-10 joules C.) 2.8807 x 10-8 joules D.) 3.2008 x 1027 joules