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Formula
Calculate the value
Answer
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$\sqrt{ 64 } + \sqrt{ \left( -7 \right) ^{ 2 } }$
$15$
Calculate the value
$\sqrt{ \color{#FF6800}{ 64 } } + \sqrt{ \left ( - 7 \right ) ^ { 2 } }$
$ $ Organize the part that can be taken out of the radical sign inside the square root symbol $ $
$\color{#FF6800}{ 8 } + \sqrt{ \left ( - 7 \right ) ^ { 2 } }$
$8 + \sqrt{ \left ( - 7 \right ) ^ { \color{#FF6800}{ 2 } } }$
$ $ Organize as the power is written in the radical sign, and the root exponent and the exponent are the same $ $
$8 + \color{#FF6800}{ 7 }$
$\color{#FF6800}{ 8 } \color{#FF6800}{ + } \color{#FF6800}{ 7 }$
$ $ Add $ 8 $ and $ 7$
$\color{#FF6800}{ 15 }$
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