Exponents and Square Roots Quiz Review

 $Evaluate:\ 4^{-3}$  

 $Evaluate:\ \left(-6\right)^{-2}$  

 $Evaluate:\ -9^{-2}$  

 $Evaluate:\ 11^0+\left(12+1^3\right)^{-2}$  

 $6^{-1}\cdot3^{-2}\cdot7^0$  

Find the square root.

 $-\sqrt{81}$  

Find the two square roots.  Enter your answer such as: 1/2, -1/2.

 $\pm\sqrt{\frac{25}{169}}$  

 $10-2\sqrt{9}$  

 $-\sqrt{40-4}+2\sqrt{100}$  

Estimate the square root.  Write as a mixed number.

 $\sqrt{220}$