Question

What is the product of 5the square root of 3. • 4the square root of 15.? Simplify if possible. 60the square root of 5. 20the square root of 5. 60the square root of 15. 20the square root of 15.

Answer 1

Correct Answer: $60 \sqrt{5}$

We are to find:

$5 \sqrt{3} *4 \sqrt{15}$

Multiplying and simplifying the radicals, we get:

$20 \sqrt{45} \\ \\ =20 \sqrt{9*5} \\ \\ =20*3 \sqrt{5} \\ \\ =60 \sqrt{5}$

Answer 2

The answer to that is 60√5