Question

Extrageti radacina patrata a) 0,(4) b) 28,(4) c) 2,(7) urgennntt dau coroana

Answer 1

Answer:

Step-by-step explanation:

$\sqrt{0} = 0\\\\\sqrt{28} \\\\=\sqrt{2^2\times\:7}\\\\=\sqrt{2^2}\sqrt{7}\\=2\sqrt{7}\\\\\sqrt{4} \\\\=\sqrt{2^2} \\\\=2\\\\\sqrt{2} =1.41421\\\\\sqrt{7} =2.64575\dots$