$$\\\frac{1}{16}\\\\
=\frac{1}{2*2*2*2}\\\\
=\frac{1}{2^4}\\\\
=2^{-4}$$
Look at this post for more information
http://web2.0calc.com/questions/indices-especially-negative-indices
$$\\\frac{1}{16}\\\\
=\frac{1}{2*2*2*2}\\\\
=\frac{1}{2^4}\\\\
=2^{-4}$$
Look at this post for more information
http://web2.0calc.com/questions/indices-especially-negative-indices