.25+.10+.10+.05+.05=0.55
fraction:55/100
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
We are given

we can use distribute property
Distributive property:

so, we can write it as


now, we can multiply terms
and we get
..............Answer
36 feet okay it is 36 feet of the area
,,,,,....,,,,,:;,,,,,:(
pshichka [43]
start at -2 go over 2 and up 5
(-2, 5)