The question says we are to check the options that are equal

Using the law of indices

So we will check all the options(applying the laws of indices)
The first option is

yes, the first option is equivalent
We will move on and check the second option

Yes the second option is equivalent
We will move on to check the third option

No the third option is not eqquivalent to the question
We will move to tthe next option, fourth option

yes this option is equivalent to the fraction
Moving on to the fifth option

No the fifth option is not equivalent to the question