Step-by-step explanation: [tex] \sqrt{9 \times 81} = \sqrt{3^{2} \times 9^{2} } = 3 \times 9 = 27[/tex] Log in to Reply

Step-by-step explanation:[tex] \sqrt{9 \times 81} = \sqrt{3^{2} \times 9^{2} } = 3 \times 9 = 27[/tex]

Answer:27

Step-by-step explanation:√ ( 9 × 81 )

= √9 × √81

= 3 × 9

= 27