volume_mute

Guided Practice – Nested Brackets

publish date: 2026/05/07 22:17:49.068253 UTC

volume_mute

Evaluate: \(77 - 2[-6 + (3 - 9)^2]\)

Correct Answer

\(-13\)

Explanation

  1. Innermost: \(3 - 9 = -6\)
  2. Exponent: \((-6)^2 = 36\)
  3. Add inside brackets: \(-6 + 36 = 30\)
  4. Multiply: \(2(30) = 60\)
  5. Subtract: \(77 - 90 = -13\)

Reference

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