SOLUTION: Could someone please help me simplify ^4(sqrt)z^4 Thanks so much for your help! I have really struggled with this one!

You can put this solution on YOUR website!
Does your question look like this? If so then you can simply look at the square root as a fractional exponent. Rewrite the expression as
the 1/2 exponent is the square root rewritten
Since an exponent of an exponent can be written as a product, we can rewrite further. Or in other words .
So we can say
can be rewrittern as
Now multiply exponents and simplify
This is what your answer should look like
Or it could look like this