Multiply n' = v/v' = 6750 π/(π 3 2 x 30) = 25 times.
So you can use it 25 times.
2)V total = 3.2x2 = 6.4cm3.
V' = vertical height/10 = 0.64cm3.
The volume of each coin is 0.64cm^3.
1 1, the campus is silent and the classroom is absorbed. The teacher's footsteps were very light, and the students' pens didn't stop. After ten years of har