Which of the following is equal to square root 18x^7y^6?

To find the square root of  i.e,  

Using radical rules:

we can write:

then;

=

Apply the rules we have;

or

therefore, is equal to

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

the answer is 6

hope this !