Answer:
the square root of 23 is 4.8 or if you need the longer one it's 4.79583152331
z=529
Step-by-step explanation:
Let's solve your equation step-by-step.
√z=23
Solve Square Root.
z=232(Square both sides)
Check answers. (Plug them in to make sure they work.)
z=529(Works in original equation)
