Find the value of this expression if x = 3

Which of the following is the rational exponent expression of 6 root f

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

The triangles are similar. what is the value of x? show your work.