Express ?20 in terms of simplest possible surd.

1.	Express ?20 in terms of simplest possible surd.
A.	10
B.	5?2
C.	4?5
D.	2?5
Answer» E.

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&nbsp;Express&nbsp;?20&nbsp;in&nbsp;terms&nbsp;of&nbsp;simplest&nbsp;possible&nbsp;surd.

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Express ?20 in terms of simplest possible surd.