Question

помогите плииииз 50 баллов

Answer 1

$1)\sqrt{4} <\sqrt{\frac{31}{7}} <\sqrt{9}\\\\\boxed{2<\sqrt{\frac{31}{7}}<3}\\\\\\2)\sqrt{9} <\sqrt{\frac{210}{17}}<\sqrt{16}\\\\\boxed{3<\sqrt{\frac{210}{17}} <4}\\\\\\3)\sqrt{16}<\sqrt{\frac{117}{5} } <\sqrt{25}\\\\\boxed{4<\sqrt{\frac{117}{5}}<5}$