Question

A country's population in 1995 was 228 million. In 2001 it was 230 million. Estimate the population in 2010 using the exponential growth formula. Round your answer to the nearest million

Answer 1

P = P0 * e^(kt)

here P = 230 m , P0 = 228 m , t = 2001 - 1995 = 6
from this you can find the constant k
then you have the formula to find P in 2010

Answer 2

can you continue with this?

Answer 3

1.008=e^k6

ln(1.008)=6k

k=ln(1.008)/6

Answer 4

so far right?

Answer 5

yes

Answer 6

maybe its better to use 1.0088 - not sure how much difference it would make though

Answer 7

is it 231 million?

Answer 8

that would make k = 0.00146

Answer 9

228e^.0135 ?

231 doesnt seem right.

Answer 10

so P at 2010
= 228 * e^(0.00146*15)
= 233 million according to my calculation
- ill re try

Answer 11

k, yours seems more right.

Answer 12

yes i got same value again

Answer 13

\o/ correct!