Question

The reading on a detector placed near a radioactive material is 536 counts per second. The background count rate is 44 counts per second. The half-life of the radioactive material is 34 hours. What is the reading on the detector after 68 hours

Answer 1

Answer:

id love to help u but im not good at this

Explanation:

Answer 2

Answer:

167 counts per second

Explanation:

i found it on a marking scheme lol