PhysicsMedium183×since 2002Q6137A radio active material is reduced to 1/81 / 81/8 of its original amount in 3 days. If 8×10−3 kg8 \times 10^{-3} \mathrm{~kg}8×10−3 kg of the material is left after 5 days the initial amount of the material isA64 gB256 gC32 gD40 gCheck answerSkip