Volume of a sphere with radius of 70 feet is:

where r is that radius
Because we need quarter sized tank of that radius we need to divide formula for volume by 4
Than we get:

V = 359188,76
Rounded:
V = 359189
Is 52 closer to 0 or 100? (since it rounds to the nearest hundreds)
Since 52 is over the halfway point, which is 50, that means its closer to 100
Answer: 100
Answer:
it is up
Step-by-step explanation:
He needs 25 cm^3 of sand
good luck