Evaluate Negative One Raised to an Odd Power

Explanation

\((-1)^5 = (-1)(-1)(-1)(-1)(-1)\). Pair up the factors: \((-1)(-1) = 1\) and \((-1)(-1) = 1\), leaving one \((-1)\). So \(1 \cdot 1 \cdot (-1) = -1\). Since the exponent is odd, the result is negative.