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Post-UTME Mathematics 2010 Objective — Question 1

Question 1 of 10 from the Post-UTME Screening (Post-UTME) Mathematics 2010 Objective paper, with the correct answer and a full explanation.

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Simplify (225^½ + 85⁰) × 256^(-¼)

  • A. 2
  • B. 4Correct
  • C. -2
  • D. -4

Explanation

225^½=15; 85⁰=1 (anything to the power 0 is 1); 256^(-¼)=1/4. So (15+1)×¼ = 16×¼ = 4.

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