passwella.
Menu

UI Post-UTME Mathematics 2012 Question 14

Question 14

Indices

Simplify 8n × 22n ÷ 43n

  1. A.2−n
  2. B.8n
  3. C.21
  4. D.6
Show the answer and explanation

Answer: A (2−n)

Explanation

2³ⁿ × 2²ⁿ ÷ 2⁶ⁿ = 2⁻ⁿ.