Need help really please

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

15 point ! ~ see if you know the answer to both you!

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36