SOLUTION: find the half-life (in hours) of a radioactive substance that is reduced by 25 percent in 45 hours.

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Question 1045596: find the half-life (in hours) of a radioactive substance that is reduced by 25 percent in 45 hours.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Try to understand this, instead of a tutor solving your example for you:
exponential decay, video example