Answer:
[tex]63\sqrt{2}[/tex]
Step-by-step explanation:
[tex]7\sqrt{6}* \sqrt{27} \\=7\sqrt2\sqrt{3} * \sqrt{9} \sqrt{3}\\ =7\sqrt{2}\sqrt{3} *3\sqrt{3}\\ =\sqrt{2} *3*3*7\\=63\sqrt{2}[/tex]
