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JAMB Mathematics 1982 Question 23

Question 23

Fractions, Decimals and Approximation

Express 37.05 × 0.0042 in standard form

  1. A.15.561 × 102
  2. B.1.5561 × 10-4
  3. C.1.5561 × 101
  4. D.1.6551 × 10-1
  5. E.1.5561 × 10-1
Show the answer and explanation

Answer: E (1.5561 × 10-1)

Explanation

37.05 × 0.0042 = 0.15561 = 1.5561 × 10⁻¹.