math  check my work!
posted by TTR+S<3 on .
1.Find the surface area for a sphere with a radius of 10 feet. Round to nearest whole number.
1,256 ft2***
4,189 ft2
1,089 ft2
1,568 ft2
2.Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number.
1,257 ft3
4,187 ft3***
1,089 ft3
1,568 ft3
3.Find the surface area for a sphere with a radius of 7 cm. Round to the nearest whole number.
307 cm2
1,436 cm2
1,020 cm2
615 cm2***
4.Find the volume for a sphere with a radius of 7 cm. Round to the nearest whole number.
307 cm2
1,436 cm2***
1,020 cm2
615 cm2
5.Find the radius of a sphere with a surface area of 804 cm2. (1 point)
9 cm5. Find the radius of a sphere with a surface area of 804 cm2. (1 point)
9 cm
8 cm
64 cm
204 cm
dont know the last one, sry
pls help asap!!!
thanx in advance

5. sqrt[804/(4 pi)] = 8
check
4 pi (64)= 804.24 
its b. 8
thanx damon!:) 
You are welcome.

Is 804.24 rounded to the tenth place

Hey, thanks so much guys. They are all right. The correct answers are:
1. A
2. B
3. D
4. A
5. B
5/5=100% correct 
No, Its
1. A
2. B
3. D
4. B
5. B 
santana is 100% correct