Element X is a radioactive isotope such that every 40 years, its mass decreases by half. Given that the initial mass of a sample
1 answer:
You might be interested in
Answer:
B
Step-by-step explanation:
We can notice that based on the given pattern, the average rate of change from to
, where
, is
.
So, the average rate of change from to
is
.
Answer:
One solution
Step-by-step explanation:
Let us first <u>expand</u> the left side of the equation to rid of the parenthesis:
Now let us <u>isolate</u> the variable to sove for x:
Therefore, x=. As you can see, there is just one solution.
<em>I hope this helps! Please let me know if you have any further questions :)</em>