SOLUTION: Suppos you have 500 grams of a radioactive element whose half-life is 72 years. Find the function for the quantity, Q, left in t years.

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Question 481311: Suppos you have 500 grams of a radioactive element whose half-life is 72 years.
Find the function for the quantity, Q, left in t years.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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Suppose you have 500 grams of a radioactive element whose half-life is 72 years.
Find the function for the quantity, Q, left in t years.
:
Q = 500*2(-t/72)