Quiz Entry - updated: 2026.07.05
Convert the hexadecimal number 0xCA to decimal.
0xCA = 202. C = 1100 and A = 1010, giving 11001010 = 128 + 64 + 8 + 2 = 202.
Step-by-step:
- C = 1100, A = 1010
- Joined: 11001010
- Add set position values: 128 + 64 + 8 + 2 = 202
Result: 0xCA = 202
Check (positional): C × 16 + A × 1 = 12 × 16 + 10 = 192 + 10 = 202 ✓
Go deeper:
RapidTables — hex to decimal converter — verify 0xCA → 202 and practice other two-digit hex values.