20\sqrt{20} × 45\sqrt{45}

asked by guest
on Mar 17, 2025 at 5:39 am



You asked:

Evaluate the expression: 2045\sqrt{20} \cdot \sqrt{45}

MathBot Answer:

2045=30\sqrt{20} \cdot \sqrt{45} = 30


2045=2545=2535=30\begin{aligned}\sqrt{20} \cdot \sqrt{45}&=2 \cdot \sqrt{5} \cdot \sqrt{45}\\&=2 \cdot \sqrt{5} \cdot 3 \cdot \sqrt{5}\\&=30\end{aligned}