Question

18. The half-life of a radioactive isotope is 7 years.
Initially, there are 100 grams of the isotope.
Which expression shows the amount of the isotope
remaining after x years?

Answer 1

Answer:

i’m not sure

Step-by-step explanation:

i’m not sure

Answer 2

Answer:

100(0.5)^X/7

Step-by-step explanation:

That is how you would put it ;)