Select the number that is equal to the square root of 8? Choices.
A) 1.9 B) 2.8 C) 2.6 D) 5.0 E) 3.7
The correct answer is 2.8   Let us take squares of all numbers    2.8*2.8= 
<gadget id="calculator"> 2.8*2.8</gadget>
<output>7.84</output>
7.84   2.6*2.6= 
<gadget id="calculator">2.6*2.6</gadget>
<output>6.76</output>
6.76   Difference    8 - 7.84= 
<gadget id="calculator"> 8 - 7.84</gadget>
<output>0.16</output>
0.16   8 - 6.76= 
<gadget id="calculator">8 - 6.76</gadget>
<output>1.24</output>
1.24   Since 0.16 is lesser of the both, 2.8 is closer   Answer is 2.8
<result>B</result>
Select the number that is equal to the square root of 8?