Which of the following is not equivalent to 1/25?

1. 5^(-3)x5

2. 5^(-1)x5^(-1)

3. 5^(3)x5^(-5)

4. 5^(-2)x5^(4)

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4