Question

square root of -20 times square root of -27 ...no decimals

Answer 1

sqrt(20)i*sqrt(27)i
=sqrt(540)

Answer 2

=3sqrt(60)

Answer 3

Perhaps an easier way to see it...\[\sqrt{-20} \cdot \sqrt{-27} = \sqrt{(-20)(-27)}=\sqrt{540}=3\sqrt{60}\]

Answer 4

would that simplify to 6 square root 15 ?

Answer 5

Yes.