What is 4 square root 5 squared?

To solve the expression "4 square root 5 squared," we can break it down step by step:

Interpret the expression: The phrase "4 square root 5 squared" means the number 4 multiplied by the square of the square root of 5. In mathematical notation, this is: 4 * (√5)²

Simplify the square root and square: The square of the square root of a number is simply the number itself. So: (√5)² = 5

Multiply by 4: Now, multiply 4 by 5: 4 * 5 = 20

Therefore, the value of 4 square root 5 squared is 20.