Answer:
The number is 623.
Step-by-step explanation:

Answer:
More informally: The two's complement of an integer is exactly the same thing as its negation. ... It means "to find the negation of a number (i.e., its two's complement) you flip every bit then add 1"
Answer:
True
Step-by-step explanation:
Some of our energy comes from electrical power plants
Its is something give me more detail