How do you simplify $sqrt3*sqrt7$ ?

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Answer 1 · 2017-10-13T20:42:06

$sqrt21$

$sqrt3*sqrt7=sqrt(3*7)=sqrt21$

Answer 2 · 2017-10-13T20:46:51

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

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

How do you simplify sqrt3*sqrt7sqrt3*sqrt7?