There will be seven spaces between the 1st and the 8th post.
The distance between posts is 20 meters
The distance between the 1st and the 8th post is 20×7 = 140 metres
Answer:
B i think
Step-by-step explanation:
To find the volume of a sphere you use...
V = 4/3 pi r^3
"Hemi-" means half. So we would divide by 2.
V= (4/3 pi r^3) / 2
Answer:
14x. ....................
