I can't speak to the cactus specifically, but any sphere has a surface area of

and a volume of

, so the area-to-volume ratio wold be


Where <em>r</em> is the radius of the sphere.
Since you know it's a square, you also know that all the sides are 3 2/3. So to find area you multiply, so 3 2/3 x 3 2/3. An easy way to do this is convert it to a mixed number (11/3) and then multiply:
11/3 x 11/3 = 121/9
Step-by-step explanation:
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Answer:
3,312
lets be real who arctually looks at the step by step just use a calculator for this one
<span>The total surface area is SA = 6 </span>×

;
SA = 6 ×

= 6 × 81 = 486

;