The distance is between 0 m and 550 m.

The distance is precisely 550 m.

The distance is between 250 m and 300 m.

The distance is between 50 m and 550 m.

22

42

40

41

1449

1445

1450

1451

11

10

15

20

196

194

195

199

If the radius of a hemisphere is 2r, find its volume.

16/3* πr^3.

4/3* πr^3.

2/3* πr^3.

16/3* πr^3.

123

125

130

225

69

75

70

72