Answer:
6/81
Step-by-step explanation:
Answer:
6.56 g
Step-by-step explanation:
We can write the mass of radioactive isotope left after a time t by using the equation

where
is the initial amount of radioactive isotope
is the half-life
is the time
In this problem, we want to know the amount of radioactive isotope left after 5 half-lives, so after

Substituting into the equation, we have

Hello,
No, this is NOT a proportional relationship.
Have a great day/night and stay safe! :)
Answer:
x3 + x2 - 1 = ( x 2 + 1) ( x + 1)
Step-by-step explanation: