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WAEC Mathematics 1995 Question 3

Question 3

Fractions, Decimals and Approximation

Express 0.000834 in standard form.

  1. A.8.34 × 10-4
  2. B.8.34 × 10-3
  3. C.8.34 × 103
  4. D.8.34 × 104
  5. E.8.34 × 106
Show the answer and explanation

Answer: A (8.34 × 10-4)

Explanation

Move the decimal point 4 places to the right to get 8.34, so 0.000834 = 8.34 × 10-4.