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what is the square root of 28

 Sep 28, 2014

Best Answer 

 #1
avatar+23252 
+5

I assume that you want it written in lowest radical form.

Factor the number, using perfect squares.

Since 4 divides into 28:    28 = 4 x 7

√28 = √4 · √7     --->    √28 = 2 · √7       --->     √28 = 2√7  

 Sep 28, 2014
 #1
avatar+23252 
+5
Best Answer

I assume that you want it written in lowest radical form.

Factor the number, using perfect squares.

Since 4 divides into 28:    28 = 4 x 7

√28 = √4 · √7     --->    √28 = 2 · √7       --->     √28 = 2√7  

geno3141 Sep 28, 2014

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