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IKMC 2006 - Grades 11-12 - Self-study Question 8

IKMC · IKMC 2006 - Grades 11-12 - Self-study

Question 8

If $4^x=9$ and $9^y=256$, find xy.
  1. 2
  2. 4
  3. 10
  4. 36
  5. 48