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Now suppose you were using Plutonium 239 in a nuclear fission reactor. How long would it take 20 g of radioactive Plutonium 239 decay down to a safe 2.5 g? SHOW WORK.
answered Oct 19, 2020
4 votes
39.1k views
5. Melissa bought a pencil for $0.34, an eraser for $0.22, and a notebook for $0.98. What is a reasonable estimate for the amount Melissa spent?
answered Mar 27, 2020
0 votes
138k views
Total cost after tax to repair Deborah’s computer is represented by 0.08(50h) +50h where h represents the number of hours it takes to repair deborah’s computer. What part of the expression represents the
answered Sep 8, 2019
3 votes
229k views
Working a part-time job can do all the following EXCEPT ____. A.) provide additional income B.) replace time spent on your education C.) demonstrate responsibility D.) begin building a resume
answered Jul 16, 2019
4 votes
161k views
Find the sum. 5k/k^2-2k+1 + 2/k^2+k-2
answered May 13, 2019
3 votes
197k views
What are the answers can someone help me
answered May 5, 2019
2 votes
171k views
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