Well,
I solve my own problem! I did this way:
110mm is the same as 1,1dm
1,1/2=0,55 (radius)
then I use the formel πr^2
π0,55^2=0.95
40/0.95= 42dm
42dm=4,2m
Power of ten: 4,2X10^1 m
I have a problem and I do not how to solve the problem. So please write how I should solve the question.
A water well has a diameter of 110mm. Water can be pumped from the well into the tank. Every time the pump is started 40 l of water is pumped away. Find how much the water level of the...