Question

Simplify Each Radical Expression. Leave in radical form. (Do not use decimals.)


4. √(5) * √(5) * √(9)

Answer 1

$\sqrt 5 \cdot \sqrt 5 \cdot \sqrt 9\\\\=\left( \sqrt 5\right)^2 \cdot \sqrt{3^2}\\\\=5\cdot 3\\\\=15$