Question

What is the square root of 456?

Answer 1

square root of 456 is 21.35 or you can say it 21.4

Answer 2

$\begin{aligned} \sqrt{456}\\ \sqrt{4\cdot 114} \text{ }\\ \sqrt{4} \sqrt{114}\text{ }\\ 2 \sqrt{114}\text{ } \end{aligned}\\\\\begin{aligned} \sqrt{456} \approx 21.354156504062622 \end{aligned}$