Answer: 1211.6585 years
<u>Step-by-step explanation:</u>
The equation for exponential growth is: 
- P: final population
- P₀: initial population
- k: rate of decay (or growth)
- t: time
Use the half life information to find k:

Next, input the information (65% decayed = 35% remaining) and the k-value to find your answer.

Answer:
$34.49
Step-by-step explanation:
To figure out this problem, you would need to divide the total price by the total amount of items you are buying
In this case it is...
172.45/5
=34.49
So the price of each item is approx. $34.49
Answer: it is called the powers of ten
Step-by-step explanation:
Answer:
6/7
Step-by-step explanation:
multiply the 1 by 6 and put that over 7
P+prt
1000+1000(.06)x=2500
X=25
25 years