SOLUTION: The amount of radioactive substance present, in grams, at time t, in years, is given by the formula y=20(3)^-0.6t. Find the number of grams present in 4 years.

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Question 1149231: The amount of radioactive substance present, in grams, at time t, in years, is given by the formula
y=20(3)^-0.6t.
Find the number of grams present in 4 years.

Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!


Use a calculator: plug in t=4 and evaluate.

= ??


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