What is the pOH when [Ra(OH)2]= .025?
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Answer:
Approximately after 66.15 years, there will be 100 coyotes left
Step-by-step explanation:
We can use the formula to solve this.
Where
F is the future amount (F=100 coyotes)
P is the initial amount (P=750 coyotes)
r is the rate of decrease per year (which is -3% per year or -0.03)
t is the time in years (which we need to find)
Putting all the information into the formula we solve.
<u>Note:</u> The logarithm formula we will use over here is
So, we have:
Hence, after approximately 66.15 years, there will be 100 coyotes left.
Rounding, we will have 66 years