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IKMC 2014 - Grades 11-12 - Self-study Question 7

IKMC · IKMC 2014 - Grades 11-12 - Self-study

Question 7

How many digits does $(2^{22})^5(5^{55})^2$ have?
  1. 22
  2. 55
  3. 77
  4. 110
  5. 111