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
You are correct there is no pattern
<span>I think the answer to this equation is26.7</span>

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Answer:
It is either 2 or 4, I think it might 2, kind of hard to tell. Sorry if neither of my educative guesses are correct.
Step-by-step explanation: