The 9's complement of the decimal number 4567.86 is:
A. 5678.23
B. 5643.13
C. 5643.12
D. 5432.13
Answer: Option D
A. 5678.23
B. 5643.13
C. 5643.12
D. 5432.13
Answer: Option D
In which of the following base systems is 123 not a valid number?
A. Base 10
B. Base 16
C. Base 8
D. Base 3
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