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Binary numbers can be converted into decimal numbers by multiplying the binary value in each column (0 or 1) by the corresponding decimal value for the column.
| Binary number colum | Decimal value |
|---|---|
| Right-most column | 1 |
| Second column from the right | 2 |
| Third column from the right | 4 |
| Forth column from the right | 8 |
| Fifth column from the right | 16 |
| Sixth column from the right | 32 |
| Seventh column from the right | 64 |
For example, the binary number = 1011 1001 can be represented by the decimal number 185.
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