Post-UTME Mathematics 2019 Objective — Question 3
Question 3 of 50 from the Post-UTME Screening (Post-UTME) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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Express 241.34(3 x 10⁻³)² correct to 4 significant figures
- A. 0.0014
- B. 0.001448
- C. 0.0022
- D. 0.002172Correct
Explanation
241.34 x (3x10⁻³)² = 24.34 x 9 x 10⁻⁶ = 2172.06 x 10⁻⁶ = 0.00217206, which rounds to 0.002172.
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