## Precalculus (6th Edition) Blitzer

$\frac{1}{64}$
Start with expression $2^{-6}$ We rewrite this as a fraction (negative exponents are positive exponents in the denominator): $\frac{1}{2^{6}}$ Simplify exponent in denominator: $\frac{1}{2^{6}}=\frac{1}{2\times2\times2\times2\times2\times2}=\frac{1}{64}$