11.337 − [3 + 0.5 of (3.1 − 2.3 × 1.02)] = ?

2024

11.337 − [3 + 0.5 of (3.1 − 2.3 × 1.02)] = ?

Answer: C. 8 — Apply multiplication first: \(2.3\times1.02=2.346\). Then \(3.1-2.346=0.754\), and \(0.5\times0.754=0.377\). Thus the bracket equals \(3.377\), giving…

  1. A.

    8.77

  2. B.

    −8.77

  3. C.

    8

  4. D.

    8.3

Attempted by 9 students.

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Correct answer: C

Apply multiplication first: \(2.3\times1.02=2.346\). Then \(3.1-2.346=0.754\), and \(0.5\times0.754=0.377\). Thus the bracket equals \(3.377\), giving \(11.337-3.377=7.960\), which is approximately \(8\).

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