Radioactive iodine is used to determine the health of
thyroid gland. it decays according to the equation,
y de 4.03307, where t is in days. find the one-fifth life
of this substance. round to the nearest integer.

Can someone check my answer? you : )

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points