20\sqrt{20} × 45\sqrt{45}

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



You asked:

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

MathBot Answer:

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

20⋅45=2⋅5⋅45=2⋅5⋅3⋅5=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}

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