The area of the surface of a sphere is described by the formula, where the radius of the sphere. The earth has a radius of 3,960 miles and dry landforms approximately 29.9% of the Earth's surface. Assuming that 57% of the dry land on Earth is uninhabitable, what is the surface area of the habitual land on Earth?

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

step-by-step explanation:

one day the were 5 ducks, and their king told them to multiply their kingdom. so each went their own seperate way and met 4 other ducks on their journey.

when the ducks returned to their kingdom, it was discovered that there were 5 groups of 5 ducks. when the kind counted the number of ducks in total (including the ones he sent out earlier) he counted 25.

therefore 5 times 5 is 25.

the end. : )

yes i do see that. i say this because i am doing my very best in high school so i can get a scholarship and credits.