volume_mute

Evaluate: Two Exponential Expressions

publish date: 1969/12/31 00:00:00 UTC

volume_mute

Evaluate: \(-2^2 - (-2)^2\)

Correct Answer

\(-8\)

Explanation

  1. \(-2^2 = -(2 \times 2) = -4\) (base is 2, not −2)
  2. \((-2)^2 = (-2)(-2) = 4\) (base is −2)
  3. Subtract: \(-4 - 4 = -4 + (-4) = -8\)

Reference

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