# Chapter 5 - Section 5.1 - Exponents and Scientific Notation - Exercise Set: 17

-1

#### Work Step by Step

We are asked to evaluate the expression $-8^{0}$. In general, $a^{0}=1$ when a does not equal 0. Therefore, $-8^{0}=-(1)=-1$ Because the negative sign is not in parentheses with the 8, the exponent only applies to its base of 8.

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