Question

Surds see attached 20 points

Answer 1

Answer:

$5\sqrt{2} \\45$

Step-by-step explanation:

just multiply

Answer 2

Answer:

a) 5√2

b) 135

Step-by-step explanation:

√5·√10 is equivalent to √50, which in turn is equivalent to √25·√2, or 5√2.

√27·√75 can be simplified by factoring:

√3·√9·√3√25, or (because √3·√3 = 3):

(3)(9)(5) = 135