5x10^9
Just find out how many zeros there are
Answer:

Step-by-step explanation:
= Mass flow rate of water = 320 kg/s
= Mass of water on the door
= Time
= Velocity of water on the door = 20 m/s
Force is given by

The average force is exerted by the stream of water is
.
Answer:
.3
Step-by-step explanation:
3* 1/10 = .3
.3 is decimal notation
Well, to get perimeter, you add the length and width, and then multiply your answer by two. So:
Jerry-
13+12=25
25*2=50
Ruth-
14+11=25
25*2=50
So both rooms are equal.
Hope this helps!!