Answer:
9
Step-by-step explanation:
Using the rule of radicals
[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]
Given
[tex]\sqrt{27}[/tex] × [tex]\sqrt{3}[/tex]
= [tex]\sqrt{27(3)}[/tex]
= [tex]\sqrt{81}[/tex]
= 9