A population of 8 million increases at a rate of .1% every month. In how many months will it reach 20 million?

Is the formula:

20000000=8000000*(1.01)^(n-1)

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- Mar 23rd 2009, 05:20 PMkcwillia377Do I have the formula right? How do I solve for n?
A population of 8 million increases at a rate of .1% every month. In how many months will it reach 20 million?

Is the formula:

20000000=8000000*(1.01)^(n-1) - Mar 23rd 2009, 05:24 PMe^(i*pi)
- Mar 23rd 2009, 05:24 PMguardofthecolor4ever
yeah that's the correct formula...i'm pretty sure...but i could be wrong

- Mar 23rd 2009, 05:32 PMkcwillia377
How do I solve for n?

- Mar 23rd 2009, 05:54 PMe^(i*pi)