Question

3√2.3√4? 4√5.4√2.4√10?

Answer 1

$(3 \sqrt{2}) . 3 \sqrt{4} = (3 \sqrt{2}) .(3.2)=18 \sqrt{2} ;$ $(4\sqrt{5}) . (4 \sqrt{2}).(4 \sqrt{10}) =64 \sqrt{100} = 64 . 10=640;$