Question

The population of the world grows exponentially at a rate of 1.1% per year Find the number of years it takes for the population to grow from 7 billion to 7.31 billion. GIve your answer corect to the nearest whole number.​

Answer 1

Answer:

A = P*(1+r/100)t

where:

P= principle amount

r= percentage rate

t=time

A= ending amount

Then substituted in values: 7.1 = 7*(1+(1.1/100))t