# If a sample has 24 grams of I-131 (half life is: 8 days), how many grams of daughter nuclide would there be after 32 days?

##### 1 Answer

Feb 5, 2016

#### Answer:

1/16

#### Explanation:

So the I-131 will endure for 4 times its half live.

By words:

So after 8 days, will be reduced into half.

after 16 days into a quarter

after 24 days into an eight

after 32 days into 1/16.