\(\sqrt{0,04}=\sqrt{\left(0,2\right)^2}=\left|0,2\right|=0,2\\ --\\ \sqrt{0,09}=\sqrt{\left(0,3\right)^2}=\left|0,3\right|=0,3\\ --\\ \sqrt{0,25}=\sqrt{\left(0,5\right)^2}=\left|0,5\right|=0,5\\ --\\ \sqrt{0,36}=\sqrt{\left(0,6\right)^2}=\left|0,6\right|=0,6\\ --\\ -\sqrt{0,49}=-\sqrt{\left(0,7\right)^2}=-\left|0,7\right|=-0,7\\ --\backslash-\sqrt{1,21}=-\sqrt{\left(1,1\right)^2}=-\left|1,1\right|=-1,1\\ --\\ -\sqrt{2,25}=-\sqrt{\left(1,5\right)^2}=-\left|1,5\right|=-1,5\\ --\\ -\sqrt{0,64}=-\sqrt{\left(0,8\right)^2}=-\left|0,8\right|=-0,8\\ --\backslash\sqrt{\left(-7\right)^2}=\left|-7\right|=7\\ --\\ \sqrt{\left(-9\right)^2}=\left|-9\right|=9\\ --\\ \sqrt{\left(-49\right)^2}=\left|-49\right|=49\\ --\\ \sqrt{\left(-100\right)^2}=\left|-100\right|=100\)