Answer:
[tex]5\sqrt{2}[/tex]
Step-by-step explanation:
To rationalize the denominator, you need to multiply the numerator and denominator by the radical in the denominator (aka. a factor of 1):
[tex]\frac{10}{\sqrt{2}}[/tex]
[tex]\frac{10}{\sqrt{2}}*\frac{\sqrt{2}}{\sqrt{2}}[/tex]
[tex]\frac{10\sqrt{2}}{2}[/tex]
[tex]5\sqrt{2}[/tex]
