Algebra problem (2√2)(3√5)?

Question

if u want to put one of this signs up here √ then you have to press the Alt button

and while ur holding that button press the number 251 on your number keypad and when u release the Alt button it should be there

(thanks 4 ur help)

Answer 1

(2√2)(3√5)

6(√2 * √5)

6(√10)

Answer 2

=6(√2x√5)

=6(√10)

=18.97

Answer 3

6√10

Answer 4

(2√2)(3√5) = 6√10

Answer 5

18.97 or 18.99