+0

0
141
2

Feb 14, 2019

#1
+645
0

$$\boxed{\sqrt{7n}}$$

This is because $$a^\frac{1}{b}=\sqrt[b]{a}$$

So $$7n^\frac{1}{2}=\sqrt[2]{7n}=\sqrt{7n}$$

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Feb 15, 2019
#2
+53
+1

The answer to anything to the 1/2 power is the square root of the number. Therefore, (7n)^1/2 = $$\sqrt{7n}$$

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Feb 15, 2019