what formula do i use ? and how do i start off this problem to get the answers?

Algebra
Tutor: None Selected Time limit: 1 Day

In 2000 the worlds population was about 6.08 billion and the exponential growth rate was 1.26% per year.

a)what is the worlds population in 2012?

b)in what year will the worlds population be double the amount from the year 2000?

May 15th, 2015

a.the year 2000 will give 2000+w

the population will be 6.08*1.0126^w

6.08*1.0126*12=12.16

b. the log to be taken on both sides , shift the w and divide to get w as 55.3

this gives 2000+55.3

the year is 2055

May 15th, 2015

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May 15th, 2015
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May 15th, 2015
Dec 11th, 2016
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