October 9, 2015

Homework Help: math

Posted by Roseanne on Sunday, October 21, 2012 at 2:34pm.

You have just isolated a new radioactive element. If you can determine its half-life, you will win the Nobel Prize in physics. You purify a sample of 2 grams. One of your colleagues steals half of it, and eight days later you find that 0.1 gram of the radioactive material is still left. What is the half-life? (Round your answer to three significant digits.)

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