Answer:
Explanation:
If we call 1999 year 0, then 2010 would be year 11. This makes the coordinates for our problem (0, 43129) and (11, 56780). That means that the initial value, a, is 43129 and we can use that to solve for b.

Divide both sides by 43129 to get
and take the 11th root on your calculator to get that
b = 1.025314051
Not sure how you need to round that.