According to the Mass-Energy Relationship,how Much Energy Is Released If $\times$

Multiple Choice

According to the mass-energy relationship,how much energy is released if 1 kg of matter were converted to energy?

A) 1 J
B) 9 J
C) 3 $\times$ 10⁸ J
D) 3 $\times$ 10¹⁶ J
E) 9 $\times$ 10¹⁶ J