Answer i am not sure wht it is srry
Step-by-step explanation:
When you have a negative exponent, you move it to the other side of the fraction to make the exponent positive.
For example:
or 
or y²
So:

Your answer is B
Answer:
2
Step-by-step explanation:
Its pretty easy math
Let the required no. be x
Then the equation is-
(150/100)x = 750
=> x = 750 × (100/150)
=> x = 500
Ans- 750 is 150 percent of 500.