Convert 27 base 10 to base 2.
A10011
B11011CORRECT
C11101
D11111
WAECMathematics
AI
Toaster Teacher
Why the answer is B, and why the others tempt you.
27 = 16 + 8 + 2 + 1 = 11011₂ (1×16 + 1×8 + 0×4 + 1×2 + 1×1).
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Mathematics questions
WAEC Mathematics has thousands more questions like this — with Worked answers on every one.