Answer: 22.6
Explanation:
Step 1: List Factors. List the factors of 512 like so:
Step 2: Find Perfect Squares. Identify the perfect squares* from the list of factors above:
Step 3: Divide. ...
512 / 256 = 2.
Step 4: Calculate.
Step 5: Get Answer. ...
512½ = 16 x 2½