Answer:
849.75 km^2
Explanation:
First, 6.75% is equal to 0.0675
each year, it decreases by 0.0675 x 3300 or 222.75km^2
0.0675 x 3300
222.75 km^2
in 11 years, 11 x 222.75, 2450.25, will be gone
11 x 222.75
2450.25 km^2
that means 849.75 km^2 will be left:
3300 - 2450.25
849.75 km^2