Half-life and time with logs Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | A = 5 g | Easy | Solved step by step |
| 2 | A = 25 mg | Easy | Solved step by step |
| 3 | D t = 15 | Easy | Solved step by step |
| 4 | t = 18 | Easy | Solved step by step |
| 5 | A ≈ 15.16 g | Medium | Solved step by step |
| 6 | t ≈ 11.98 | Medium | Solved step by step |
| 7 | B t ≈ 11.58 | Medium | Solved step by step |
| 8 | t ≈ 8.88 | Medium | Solved step by step |
| 9 | C t ≈ 18.31 | Harder | Solved step by step |
| 10 | t ≈ 8.13 | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.