When Two Atoms of ²H Are Fused to Form One

Multiple Choice

When two atoms of ²H are fused to form one atom of ⁴He, the total energy evolved is
3) 83 × 10^{- 12} J. What is the total change in mass (in kg) for this reaction? (C = 3.00 × 10⁸ m/s)

A) 1.28 × 10^{- 17}
B) 4.26 × 10^{- 26}
C) 1.15
D) 4.26 × 10^{- 29}
E) 3.45 × 10⁸