bridgetolivares 2 years ago question in comments

1. bridgetolivares

$\sqrt{3}\times \sqrt{21}$

2. nickymarden

$\sqrt{3x21}= \sqrt{63}$

3. bridgetolivares

thanks

4. nickymarden

Just remeber that multiplying 2 different square roots is the same as the square root of the multiplication of the numbers. $\sqrt{a}\times \sqrt{b} = \sqrt{a \times b}$