Evaluate
\frac{7\sqrt{2}}{20}\approx 0.494974747
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\frac{0.7\sqrt{2}}{\left(\sqrt{2}\right)^{2}}
Rationalize the denominator of \frac{0.7}{\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
\frac{0.7\sqrt{2}}{2}
The square of \sqrt{2} is 2.
0.35\sqrt{2}
Divide 0.7\sqrt{2} by 2 to get 0.35\sqrt{2}.
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