Which of the Following Measurements Has Three Significant Figures

question 31

Multiple Choice

Which of the following measurements has three significant figures?

• A)0.005 m
• B)510 m
• C)0.510 m
• D)0.051 m
• E)5100 m

Identify the long-term effects of heavy and chronic substance use, including marijuana, opioids, and the mechanism of drug tolerance.

Comprehend the impact of meditation practices on mental health and cognitive functioning.

Be aware of the psychological and physical dependence aspects of addiction and the concept of tolerance.

Understand how drugs of abuse alter brain chemistry, particularly the dopamine system.

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Definitions:

Internal Validity

The extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.

Observed Score

The score actually obtained by an individual on a test or measurement.

True Score

The true score in psychometrics is an estimate of an individual's actual ability or trait level, free from measurement error.

Error Score

The difference between an observed value and the true value in data collections or experiments, indicating the amount of error in measurements.