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Astronomer A claims that the Hubble constant is 84 km/s per Mpc, while astronomer B claims that it is 63 km/s per Mpc. If, using the Hubble constant, astronomer A claims that a particular galaxy is 4 billion ly away, then astronomer B would claim that it is _____ billion ly away.
Ladder Logic
A graphical programming language resembling the schematic diagrams of relay logic hardware, used to program PLCs.
Logic Represented
The symbolic depiction of logical operations and relationships, typically used in the development and analysis of algorithms, circuits, and programming.
Boolean Equation
A mathematical expression that involves Boolean algebra and uses binary variables and logical operations, commonly used in computer science and digital electronics.
Ladder Diagram
a graphical representation used in programming PLCs that emulates the structure of electrical relay logic to control processes.
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