Question

A radioactive substance Technetium-99 is also used by physicians to examine blood flow to

specific organs and assess organ function or bone growth. It has a very short half-life of about 6

hours. The fraction of this material that would remain after 30 hours will be-

a) 1/32

b) 1/5

c) 1/2

d) 4/5​

Answer 1

Answer:

the answer is 1/2 may be