So, 0.5^5 is 0.03125
multiply that by 125 and get your answer.
*3.90625* (4)
just saying, I got the 0.5^5 thing because 5 is the number of half-lives (x) and 0.5 is the rate of loss (or whatever its called).
If it were to gain, you would put 1.5
I believe the answer is B: 3 + 7 + (-10).
Answer:

Step-by-step explanation:
Put <em>n = 10</em> to the equation 

Answer:
b
Step-by-step explanation: