Hello, bhuvan!

Assume that the population of the world in 2002 was 6.2 billion

and is growing at the rate of 1.3% a years.

(a) Set up a recurrence relation for the population of the world years after 2002.

billion

(b) Find an explicit formula for the population of the world n years after 2002.

billion

(c) What will the population of the world be in 2022?

When billion

.