Converting Binary to Decimal: Positional Notation & Doubling

explaining on Instagram: "Binary numbers might seem confusing at first, but once you understand the logic, they’re surprisingly simple. The binary system uses only two digits — 0 and 1 — unlike our usual decimal system that uses ten digits (0–9). Each binary digit, or “bit,” represents a power of 2, starting from the right. For example, the binary number 1011 equals in decimal. Computers use binary because it perfectly matches their on/off electrical signals. Once you see that each place just do