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

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

Oct 15, 2018

#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
+336
+1
$$3\sqrt{10} = \sqrt{3^2}\times\sqrt{10}= \sqrt{9}\times\sqrt{10}= \sqrt{9\times10} =\sqrt{90}$$
The number under the radical sign is $$90$$