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Multiple choice

Find the approximate value of the following: (21 + 3.9 \times 2.9 + 8.99 = ?)

  1. 39

  2. 42

  3. 38

  4. 40

  5. 50

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Simplify: 21 + 3.9×2.9 + 8.99 ≈ 21 + 4×3 + 9 = 21 + 12 + 9 = 42. Option B (42) is correct. The calculation rounds each term for easier computation.

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