Use the formula Pt= P0e^rt. where Pt is the amount after t years, P0 is the initial amount, t is the rate of interest, and t is
the time period, to complete the table.
1 answer:
Answer:
Step-by-step explanation:
From the given formula,


![\text{ln}[\frac{P(t)}{P(0)}]=\text{ln}[e^{rt}]](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7BP%28t%29%7D%7BP%280%29%7D%5D%3D%5Ctext%7Bln%7D%5Be%5E%7Brt%7D%5D)
![\text{ln}[\frac{P(t)}{P(0)}]=rt](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7BP%28t%29%7D%7BP%280%29%7D%5D%3Drt)
Now we put the values in the formula to get the values of the blank spaces in the table,
1). ![\text{ln}[\frac{984}{800}]=5r](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7B984%7D%7B800%7D%5D%3D5r)
r = 
r ≈ 4.2%
2). ![\text{ln}[\frac{1464}{1200}]=4r](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7B1464%7D%7B1200%7D%5D%3D4r)
r = 
r = 0.0497
r = 5%
3). ![\text{ln}[\frac{1111.5}{950}]=0.045t](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7B1111.5%7D%7B950%7D%5D%3D0.045t)
t = 
t = 3.5 years
4). ![\text{ln}[\frac{775}{620}]=3.7t](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7B775%7D%7B620%7D%5D%3D3.7t)
t = 
t ≈ 6 years
5). ![\text{ln}[\frac{1066.8}{840}]=8r](https://tex.z-dn.net/?f=%5Ctext%7Bln%7D%5B%5Cfrac%7B1066.8%7D%7B840%7D%5D%3D8r)
r = 
r ≈ 3%
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