Question

3√8 multiply by 3√27 ​

Answer 1

3√8×3√27

3×3√8×27

9√2×2×2×3×3×3

9×2×3√2×3

54√6

Answer 2

$3 \sqrt{8} \times 3 \sqrt{7} \\ 3 \sqrt{2 \times 2 \times 2} \times 3 \sqrt{3 \times 3 \times 3} \\ 3 \times 2 \sqrt{2} \times 3 \times 3 \sqrt{3} \\ 6 \sqrt{2} \times 9 \sqrt{3} \\ 54 \sqrt{6}$

I hope this will help you.....