Answer:
It signifies the number of dogs that bella feeds. This is 100% correct
Step-by-step explanation:
1. Multiply length times width as if they were integer number:
Now place the decimal point. To do it we have to keep in mind that the result will have as many decimals as the sum of the decimals of each number. In this case, only the width had one decimal, it means that the result will only have one decimal:
You do 250 divided by 9 and get 27.7777777777 you round that to 27.8 which is your answer
Kinetic energy possessed by moving train is

.
And mass

.
The formula for kinetic energy is

.
Solve for velocity:


Now put in the data: