0 1 2 3 4 5 6 7 8 9
milhar - centena - dezena - unidade
2 0 0 4
10³ 10² 10¹ 10⁰
= 2x10³ + 0x10² + 0x10¹ + 4x10⁰
= 2x1000 + 0x100 + 0x10 + 4x1
= 2000 + 0 + 0 + 4
= (2004)₁₀
0 1
| 1 | 1 | 0 | 1 |
|---|---|---|---|
| 2³ | 2² | 2¹ | 2⁰ |
= 1x2³ + 1x2² + 0x2¹ + 1x2⁰
= 1x8 + 1x4 + 0x2 + 1x1
= 8 + 4 + 0 + 1
= (13)₁₀
0 1 2 3 4 5 6 7
| 3 | 7 | 1 |
|---|---|---|
| 8² | 8¹ | 8⁰ |
= 3x8² + 7x8¹ + 1x8⁰