Question

Simplify the radical expression
√15n * √3n^4

Please help I need this!!!!!

Answer 1

$\sqrt{15n} \times \sqrt{3n^4} \\ \\ \sqrt{15nn^2} \sqrt{3} \\ \\ n^2 \sqrt{15n \times 3} \\ \\ n^2 \sqrt{45n} \\ \\ n^2 \sqrt{45} \sqrt{n} \\ \\ n^2 \times 3 \sqrt{5} \sqrt{n} \\ \\ 3n^2 \sqrt{5n} \\ \\ Answer: 3n^2 \sqrt{5n}$