Any number divided by 1 equals the original number.
See the attached picture:
Answer with explanation:
It is given that
[tex]\sqrt{2}=1.4142[/tex]
We have to evaluate
[tex]\frac{1}{\sqrt{2}}=\frac{1}{1.4142}\\\\=\frac{10000}{14142}\\\\=0.7711[/tex]
Long division method is attached on the page below