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.