Answers: 1
![49^{\frac{1}{2}}=\sqrt[2]{49^{1}}=\sqrt[2]{49}=7](/tpl/images/0498/1579/e14d5.png)
![a^{\frac{m}{n}}=\sqrt[n]{a^{m} }](/tpl/images/0498/1579/9ad7f.png)
![49^{\frac{1}{2}}=\sqrt[2]{49^{1}}=\sqrt[2]{49}](/tpl/images/0498/1579/8e158.png)
![\sqrt[2]{49}=7](/tpl/images/0498/1579/2dd3a.png)
, it's important to understand that an exponent of 1/2 means that we take the square root of the base. In other words, 
and the square root of 49 is 7.
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Simplify expression 49 with an exponent of 1/2...
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