Find (177)8 + 1, in decimal—

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Find (177)₈ + 1, in decimal—

1. 128
2. 200
3. 178
4. 179

Correct Option: A

(177)₈:
1 × 8² + 7 × 8 + 7 = (127)₁₀
127 + 1 = 128