Chapter 9 - Roots and Radicals - Chapters 1-9 Cumulative Review Problem Set - Page 432: 1

$-64$

Using the concepts of exponents, the given expression, $ -2^6 ,$ simplifies to \begin{array}{l}\require{cancel} -2(2)(2)(2)(2)(2) \\\\= -4(2)(2)(2)(2) \\\\= -8(2)(2)(2) \\\\= -16(2)(2) \\\\= -32(2) \\\\= -64 .\end{array}