Computer Science
Convert the following octal number to decimal number:
(57.55)8
Number System
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Answer
Converting integral part
| Octal No | Power | Value | Result |
|---|---|---|---|
| 7 | 80 | 1 | 7x1=7 |
| 5 | 81 | 8 | 5x8=40 |
Converting fractional part
| Octal No | Power | Value | Result |
|---|---|---|---|
| 5 | 8-1 | 0.125 | 5x0.125=0.625 |
| 5 | 8-2 | 0.0156 | 5x0.0156=0.078 |
Equivalent decimal number = 7 + 40 + 0.625 + 0.078 = 47.703
Therefore, (57.55)8 = (47.703)10
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