√<span>81=|9|; </span>√<span>64=|8|; </span>√<span>100=|10|; </span>√<span>0.16=|0,4|; </span>√<span>0.09=|0,3|; </span>√<span>0.25=|0,5|; </span>√<span>1.44=|1,2|; </span>√<span>4900=|70|; </span>√<span>6400=|80|.</span>
Ответ:
-70
..........................
Решение в картинке прицеплено.