Question

Simplify the following: $(49{)}^{\frac{1}{2}}$

Answer 1

Given: $(49{)}^{\frac{1}{2}}$

We can write $(49{)}^{\frac{1}{2}}=(7\times 7{)}^{\frac{1}{2}}$
${\left(7^2\right)}^{\frac{1}{2}}=7$

Hence, $(49{)}^{\frac{1}{2}}=7$.