Question

BROS COME HELP..The radius of the Earth is approximately 3,960 miles. Find the approximate surface-area-to-volume ratio of the Earth.
A.
0.00025
B.
0.00076
C.
1,320
D.
11,880

Answer 1

You need the formula for the surface of a sphere and the formula for the volume of a sphere.

Answer 2

@mathstudent55 after i get both what do i do with them?

Answer 3

Sphere Surface Area = 4 • π • r² = π • d²

Answer 4

Sphere Volume = 4/3 • π • r³ = ( π •d³)/6

Answer 5

THANKS BATMAN, YOU'RE MY BRO!

Answer 6

Now you need to divide the surface area by the volume to get the ratio of surface area to volume.


ratio \(= \cfrac{1.97061 \times 10^8}{2.6012 \times 10^{11} }\)