Question

I need help on that question ​

Answer 1

Answer:

80√3

Step-by-step explanation:

here's your solution

=> First number is 4√5

=> Second number is 4√15

=> we need to find product

=> 4√5*4√15

=> 4*4 = 16

=> √5*√15. = √75

=> √75 = 5√3

=> now, multiple 5√3*16 = 80√3

hope it helps

Answer 2

Answer:

the required answer is

$80 \sqrt{3}$

Step-by-step explanation:

here's the solution : -

=》

$4 \sqrt{5} \times 4 \sqrt{15}$

=》

$4 \sqrt{5} \times 4 \sqrt{5} \times \sqrt{3}$

=》

$4 \times 4 \times 5 \times \sqrt{3}$

=》

$80 \sqrt{3}$