What is the square root of 42.3?

2 Answers
May 21, 2018

sqrt(423/10)=3/10sqrt470

Explanation:

sqrt(423/10)
=sqrt423/sqrt10
=sqrt(9*47)/sqrt10
=(sqrt(3²)*sqrt47)/sqrt10
=3sqrt(47/10)
=3/10sqrt470
\0/ here's our answer!

May 21, 2018

3sqrt(4.7)

Explanation:

sqrt(42.3)

:.=sqrt(3*3*4.7)

:.=sqrt3*sqrt3=3

:.=3sqrt4.7