Answer:
10√3
Explanation:
Let's rewrite the expression. We have:
[tex]\sqrt{30} \cdot \sqrt{10}[/tex]
we can write 30 as [tex]3\cdot 10[/tex], so we have
[tex]\sqrt{3 \cdot 10} \cdot \sqrt{10}[/tex]
which is equal to
[tex]\sqrt{3 \cdot 10 \cdot 10}=\sqrt{3 \cdot 100}[/tex]
but [tex]\sqrt{100}=10[/tex], so we have
[tex]\sqrt{3 \cdot 100}=\sqrt{3} \sqrt{100}=\sqrt{3} \cdot 10=10 \sqrt{3}[/tex]