Question

ПОООЖАААЛУУЙСТААА ОООЧЕЕЕНЬ СРОООЧНОО!!!!!!

Answer 1

2.
$\sqrt{0.04 } = 0.2$
5.
$\sqrt{72} \times \sqrt{2} = \sqrt{36 \times 2} \times \sqrt{2} = 6 \sqrt{2} \times \sqrt{2} = 6 \times 2 = 12$