Question

under root 8.under root 18

Answer 1

Answer:

12

Step-by-step explanation:

√8 × √18

= √(4×2) × √(9×2)

= √4 ×√2 ×√9 ×√2

= √4 ×√9 × √2 × √2

= 2 × 3 × 2

= 12

Alternatively:

√8 × √18 = √(8×18) = √144 = 12

Whichever way works easiest for you!