Decay Constant and Half-Life from Table
Half-Life from Graph
In this problem you will be determining decay constant and the half-life of an element based on a table of data showing how much of an original sample of atoms is present at different moments in time.

When you are ready to start the problem, click on the Begin button and when you have worked out your answers hit End to submit your results.
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Test
Enter Your Answers Below
Enter only a numeric answer. Do not include the word or symbol for the units
Your Name:
Decay Constant (1/s):
Half-Life (s):
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