Key Concepts
- Decimal (base 10) uses digits 0–9; Binary (base 2) uses digits 0–1.
- Each place is a power of the base (10⁰, 10¹ … / 2⁰, 2¹ …).
- Converting: 1011₂ = 8+0+2+1 = 11₁₀.
Illustration
Placeholder: binary place-value diagram.
Practice
- Convert 1101₂ to decimal.
- Write 13₁₀ in binary.