What is the square root of 81*4
\(\sqrt{81\times4}\)
\(\sqrt{324}\)
\(\sqrt{9\times9\times9\times9}\)
\(9\times9\)
\(18\)
\(\sqrt{81*4}=\sqrt{81}*\sqrt4= 9*4=36\)
+1904 +1904 
