Question 70
The base-2 representation of a number $a$ is $1110000100111010101110100001$. What is the seventh digit from the left of the base-8 representation of $a$?
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6.
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6.
MathNet 2007-part-02 — 187 problems (EN–VI) Question 70
Math Olympiad Vault · MathNet 2007-part-02 — 187 problems (EN–VI)