Saturday
February 28, 2015

Homework Help: Math with science

Posted by Liz on Sunday, July 27, 2008 at 12:39pm.

Radioactive iodine treatment is so successful at treating hyperthyroidism that it has virtually replaced thyroid surgery. To the nearest full day, determine how long it will take for 400 millicuries of I-131, which has a half-life of 8 days, to decay to 3.125 millicuries.

56 days,
7 days,
128 days,
or
8 days

which one is it?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - Please show me how to solve: Doctors can use radioactive iodine to treat ...
chemistry - Iodine-131 is used to destroy thyroid tissue in the treatment of an ...
Chemistry - 2. The half-life of a radioactive element is important when ...
Exponential Growth and Decay - Doctors use iodine-131 to treat some forms of ...
Math please help! - Nuclear medicine technologists use the Iodine isotope I-131...
math-natural log - Nuclear medicine technologists use the Iodine isotope I-131, ...
science - The recommended dosage of iodine-131 is 4.20 \mu {\rm Ci}/{\rm kg} of ...
Chemistry - A viral contains radioactive iodine -131 with an activity of 2.0 mCi...
Algebra - A defective nuclear reactor is leaking radioactive iodine-131. The ...
Science - Choose the explanation that does the following: (1) identifies the ...

Members