What is the decimal conversion of (630.4)8?

2023

Answer: B. 408.5 — (630.4)_8 = 6 x 8^2 + 3 x 8^1 + 0 x 8^0 + 4 x 8^-1 = 384 + 24 + 0 + 0.5 = 408.5.

1. A.

   640.4

2. B.

   408.5

3. C.

   650

4. D.

   670

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