In April of 1986, the world's worst nuclear power disaster occurred at Chernobyl in the former USSR. An explosion released about 924 kilograms of radioactive cesium-137 (137 Cs) into the atmosphere. If the half-life of 137 Cs is 30.17 years, how much will remain in the atmosphere in 148 years? Round your answer to four decimal places.
?
A. 0.0000 kg
B. 802.2442 kg
C. 144.6880 kg
D. 188.3586 kg
E. 30.8289 kg
Answer: E
Mathematics
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