#1**0 **

\(\boxed{\sqrt{7n}}\)

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

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

.CalculatorUser Feb 15, 2019

#2**+1 **

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

.Mathcounts24 Feb 15, 2019