Sunday
May 24, 2015

Homework Help: math --- check my work!

Posted by TTR+S<3 on Wednesday, March 19, 2014 at 5:12pm.

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

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