Question

Simplify the radicals square root27 square root 80 square root 243

Answer 1

`Use\ √(a\cdot b)=√(a)\cdot√(b)\\\\√(27)=√(9\cdot3)=\sqrt9\cdot\sqrt3=\boxed{3\sqrt3}\\\\√(80)=√(16\cdot5)=√(16)\cdot\sqrt5=\boxed{4\sqrt5}\\\\√(243)=√(81\cdot3)=√(81)\cdot\sqrt3=\boxed{9\sqrt3}`