passwella.
Menu

JAMB Mathematics 2014 Question 4

Question 4

Fractions, Decimals and Approximation

Express the product of 0.00043 and 2000 in standard form.

  1. A.8.6 × 10
  2. B.8.6 × 10-3
  3. C.8.3 × 10-2
  4. D.8.6 × 10-1
Show the answer and explanation

Answer: D (8.6 × 10-1)

Explanation

0.00043 × 2000 = 0.86, and 0.86 = 8.6 × 10-1.