Answer:
The answer is 10,650. Just use the calculator next time you get one of these questions. :D
400 in² = (20 in)²
The area of a square is the square of the side length.
The length of one of the sides is 20 inches.
Answer:

Step-by-step explanation:
Given:
The expression in radical form is given as:

We need to express this in fractional exponent form.
We know that,

Also, 
Now, clubbing both the properties of square root function, we can rewrite the given expression as:

So, the given expression in fractional exponents form is
.