Question

Simplify the radical expression.

Answer 1

b

Explanation:

Answer 2

x^4y^9, the second option.

Explanation:

A radical sign over an expression also means the expression is to the power of 1/2. In other words, the square root of n=n^1/2

(x^8y^18)^1/2

You divide the powers by 2

x^4y^9 is the answer