The answer is the 3 option
Answer:
DO U KNOW HOW TO GET MORE POINTS?
Step-by-step explanation:
Answer:

Step-by-step explanation:
This half life exponential decay equation goes by the formula:

Where

Since half life is given as 22, we plug that into "Half-Life" in the formula for k and then plug in the formula for k into the exponential decay formula:
So,

Now

third choice is correct.
Answer:
what is question?
Step-by-step explanation: