volume_mute
Self Check – Negative Base to the Fourth Power
publish date: 2026/05/04 20:29:47.047462 UTC
volume_mute
Evaluate: \((-3)^4\)
Correct Answer
81
Explanation
\((-3)^4 = (-3)(-3)(-3)(-3)\). Group: \((-3)(-3) = 9\) and \((-3)(-3) = 9\). Then \(9 \times 9 = 81\). Even exponent → positive result.
Reference
Mathematics for college students