Question

A researcher measures 200 counts per minute coming from a radioactive source at noon. At 3:00pm, she finds that this has dropped to 25 counts per minute. What percentage of the original source will remain at 6:00pm?

A) 3.125%
B) 4.5%
C) 5.8%
D) 6.25%

Answer 1

UWU ForkNit Nub X3 Scrub get plied uWu x333333

Step-by-step explanation:

idk lol I need the answer too

Ok I commited yolo the answer is 3.125%