## Algebra 2 Common Core

$-0.07$ and $0.7$
Note that $(-0.07)^2=0.0049$, so $-0.07$ is a real square root of $0.0049$, and $0.07^2=0.0049$, so $0.07$ is a also real square root of $0.0049$. Thus, the real square roots of $0.0049$ are $-0.07$ and $0.07$.