Use dimensional analysis:

Since we multiplied a numerator and a denominator by centimeters, we are only left with meters.
This answer is already is three significant figures by default.
The answer is the third option
Answer:
In the pictures linked.
Step-by-step explanation:
The pictures I linked have the answers. Brainly wouldn't let me submit it because I apparently used bad words.
Answer:
201.06 square feet
Step-by-step explanation:
area of a circle is given by πr², where π = 3.1416
A = 3.1416 * 8²
A = 3.1416 * 64 = 201.0624 square feet
A = 201.06 square feet