[tex]\sqrt{36}=6, \ bo \ 6^2=6\cdot6=36\\\\\sqrt1=1, \ bo \ 1^2=1\cdot1=1\\\\\sqrt{100}=10, \ bo \ 10^2=10\cdot10=100\\\\\sqrt{1:40 \ 000}=\sqrt{\frac{1}{40000}}=\frac{1}{200}, \ bo \ (\frac{1}{200})^2=\frac{1}{200}\cdot\frac{1}{200}=\frac{1}{40000}[/tex]
