Step-by-step explanation:
[tex]\sqrt{a}=b\iff b^2=a\\\\\text{Therefore}\\\\\sqrt4=\pm2\ \text{because}\ (-2)^2=4\ \text{and}\ 2^2=4[/tex]
Answer:2
Step-by-step explanation:
2 squared is four
Squared is the opposite of square rooting.
And if you’re still confused, squaring is when you multiply a number by itself (ex. 4X4 aka 4 squared is 16)
