Question:

# 9. The half-life of the radioactive element plutonium-239 is 25,000 years. If 16 grams of plutonium-239 are initially present, h

9. The half-life of the radioactive element plutonium-239 is 25,000 years. If 16 grams of plutonium-239 are initially present, how many grams are present after: (round your answer to the nearest hundredth) Find the exponential model first. a. 25,000 years b. 50,000 years c. 75,000 years d. 100,000 years e. 125,000 years