How do you simplify $\sqrt{3} \cdot \sqrt{7}$ $sqrt3*sqrt7$ ?

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Answer 1 · 2017-10-13T20:42:06

$\sqrt{21}$ $sqrt21$

$\sqrt{3} \cdot \sqrt{7} = \sqrt{3 \cdot 7} = \sqrt{21}$ $sqrt3*sqrt7=sqrt(3*7)=sqrt21$

Answer 2 · 2017-10-13T20:46:51

I think that you can write it as $\sqrt{21}$ $sqrt(21)$ , but that's all.

Since 21 can't be divided by squares that equal to natural numbers.

How do you simplify √3⋅√7sqrt3*sqrt7?