Respuesta :

square root of 21 =  approx 4.6

so the answer is 4 and 5
mjankiewicz
[tex]\sqrt{21}> \sqrt{16} \ and \ \sqrt{21}<\sqrt{25}\\\\ so \\\\ \sqrt{16}<\sqrt{21} <\sqrt{25} \\\\ 4<\sqrt{21}<5[/tex]

Answer:
4 and 5

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