Final answer:
To be fluent in a computer language, one needs problem-solving and mathematical skills. In a number system, a digit's position is determined by the base of the number system.
Explanation:
Two important skills needed to be fluent in a computer language are problem-solving skills and mathematical skills. Problem-solving skills help in identifying and resolving issues in programming, while mathematical skills are crucial for understanding algorithms and writing efficient code.
Formula: In a number system, a digit's position is determined by its place value relative to the base of the number system. For example, in base 10, the digit '5' in the number '573' is in the tens place.
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