Radioactive iodine is used to determine the health of the thyroid gland. the radioactive iodine decays according to the equation y = n ( e − 0.0856 t ) , where t is in days. find the half-life of this substance. round to the nearest day.

The half-life of this substance would be 8 day

Step-by-step explanation:

Given equation that shows the amount of the substance after t days,

Where,

n = initial quantity of the substance

If y = n/2,

Taking ln both sides,

Hence, the half-life of this substance would be 8 days.

step-by-step explanation:

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