How many digits 2^300 has? Choose one
A) 31
B) 35
C) 50
D) 91
E) 101

Rationale: 2 ^ 10 = 1.024 * 10 ^ 3 = > 2 ^ 100 = ( 1.024 ) ^ 10 * 10 ^ 90 therefore 91 digits would be my best guess d
Answer: D