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write 3√10 as an entire radical. what is the number under the radical sign?

 Oct 15, 2018

Best Answer 

 #1
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\(3\sqrt{10} = \sqrt{3^2}\times\sqrt{10}= \sqrt{9}\times\sqrt{10}= \sqrt{9\times10} =\sqrt{90}\)

 The number under the radical sign is \(90\)

Hope this helps!

 Oct 15, 2018
 #1
avatar+316 
+2
Best Answer

\(3\sqrt{10} = \sqrt{3^2}\times\sqrt{10}= \sqrt{9}\times\sqrt{10}= \sqrt{9\times10} =\sqrt{90}\)

 The number under the radical sign is \(90\)

Hope this helps!

Dimitristhym Oct 15, 2018

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