### Home > A2C > Chapter 7 > Lesson 7.1.5 > Problem7-78

7-78.

Rewrite each expression below as an exponential expression with a base of $2$.

1. $16$

$2$ to ___ power $= 16$?

1. $\frac { 1 } { 8 }$

$2^3 = 8 \text{ and } 2^{-1} = \frac{1}{2}$

1. $\sqrt { 2 }$

Raise the base to a fractional power.

1. $\sqrt [ 3 ] { 4 }$

$2^{\frac{2}{3} }$