In the decay of ²⁴²Cm to ²³⁸ Pu, the maximum a energy is 6112.9 ± 0.1 keV. Given the mass of ²³⁸Pu, find the mass of ²⁴²Cm.
_____________write down the mass in AMU. (use Δ(α) = 2.425MeV Δ(238Pu) = 46.165 MeV)