Question

What is each real- number root?

hold on...

Answer 1

\[1. \sqrt[3]{-27} \]
\[2. \sqrt[4]{-81}\]
\[3. \sqrt{(-7)}^{2}\]
\[4. \sqrt{-49}\]

Answer 2

Can someone show me step by step for at least one of them?

Answer 3

\[1.-3\]
etc use a calculator

Answer 4

\[\sqrt[n]{a}=a ^{1/n}\]