Question

find the value for
$\sqrt{441}$
​

Answer 1

Step-by-step explanation:

$\sqrt{441} \\ = \sqrt{3 \times 3 \times 7 \times 7} = 3 \times 7 = 21$

Answer 2

Answer:

$\sqrt{441} \\ = \sqrt{ {(21)}^{2} } \\ = 21$