kaitlynnhattabaugh kaitlynnhattabaugh 26-02-2021 Mathematics contestada Please help. Cesium-137 has a half-life of 30 years. Identify the amount of cesium-137 left from 150 milligram sample after 120 years. 1.325 mg 0.9375 mg 9.3750 mg 1.097 mg