Respuesta :

MrScienceGuy

Answer:

1

Step-by-step explanation:

Evaluate the interior of the square root first and work your way outwards:

[tex]\sqrt{21*\frac{1}{21}} =\sqrt{\frac{21}{21}} =\sqrt{1} =1[/tex]

Answer:

√{21×1/21}=√1=1 is your answer

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