Question

write v20 in exponential form
$write \sqrt{20 \: in \: exponential \: form}$
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Answer 1

$\sqrt{20} = {20}^{ \frac{1}{2} }$

$= {(2 \times 2 \times 5)}^{ \frac{1}{2} }$

$= {2}^{ \frac{1}{2} } \times {2}^{ \frac{1}{2} } \times {5}^{ \frac{1}{2} }$

$= {2}^{1} \times {5}^{ \frac{1}{2} }$

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