Question 56
Maddalena writes on a sheet of paper all the powers of $2$ from $1$ to $2^{100}$ (both included). How many of the numbers she wrote begin with $1$?
(A) 28 or fewer
(B) 29
(C) 30
(D) 31
(E) 32 or more.
(A) 28 or fewer
(B) 29
(C) 30
(D) 31
(E) 32 or more.