What is the answer to the problem below?

Question

asked Feb 9, 2024 125k views

1 Answer

Cohan · Answer 1 · 2024-02-15T17:42:15+0000

Answer:

189√5

Explanation:

You want the product of 7√3 and 9√15 in simplest form.

The applicable rules of radicals are ...

(√a)(√b) = √(ab)

√(a²b) = a√b

$7√(3)*9√(15)=7\cdot9√(3\cdot15)=63√(3^2\cdot5)=63\cdot3√(5)\\\\=\boxed{189√(5)}$

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Additional comment

The approximate numerical value is 422.62.