Step-by-step explanation:
[tex] {81}^{ \frac{1}{2} } = \sqrt{81} = 9[/tex]
Answer:
[tex] {81}^{ \frac{1}{2} } \\ = \sqrt{81 } \\ = \sqrt{3 \times 3 \times 3 \times 3} \\ = 3 \times 3 \\ = 9[/tex]
Hope it helps you!! Btw, r u a BTS ARMY?