Evaluate:

Question:

Evaluate:

$\sqrt{98} \times \sqrt{162}$

Solution:

We have:

$\sqrt{98} \times \sqrt{162}$

$=\sqrt{98 \times 162}$

$=\sqrt{2 \times 7 \times 7 \times 2 \times 9 \times 9}$

$=2 \times 7 \times 9$

$=126$

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