The decimal equivalent of the octal number (645)8 is ______
A. (450)10
B. (451)10
C. (421)10
D. (501)10
Answer:C
The decimal equivalent of the octal number (645)8 is ______
A. (450)10 B. (451)10 C. (421)10 D. (501)10
Explanation: Octal to Decimal conversion is obtained by multiplying 8 to the power of base index along with the value at that index position.