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A tumor is injected with 10 grams of Iodine-125, which has a half-life of 76 days. Write an exponential model representing the amount of Iodine-125 remaining in the tumor after t days. Then use the formula to find the amount of Iodine-125 that would remain in the tumor after 20 days.

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Answer:

The half-life is the time it takes a substance to decay to half of the amount that is present.

To find how long it will take for half of the Iodine-125 to decay, we can use the model for continuous

exponential decay

Step-by-step explanation:

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